<?xml version="1.0" encoding="UTF-8" ?>
<!-- Generated using Ez-XBRL version 8.0.2.0 [05/14/2019 09:01:34 AM] -->
<!-- Based on XBRL 2.1 -->

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>
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<!-- Context Section  -->
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2013-11-29
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2013-12-03
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2013-11-29
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<xbrli:period>
<xbrli:instant>
2015-01-13
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<xbrli:context id="Context_As_Of_31_Dec_2017T00_00_00_TO_31_Dec_2017T00_00_00">
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<xbrli:period>
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<xbrli:context id="Context_As_Of_31_Dec_2017T00_00_00_TO_31_Dec_2017T00_00_00_StatementEquityComponentsAxis_CommonStockMember">
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<xbrli:entity>
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2018-03-31
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<xbrli:context id="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember">
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2018-01-01
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<us-gaap:PaymentsToAcquirePropertyPlantAndEquipment contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">2000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
<us-gaap:PaymentsToAcquireOilAndGasProperty contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">5489000</us-gaap:PaymentsToAcquireOilAndGasProperty>
<us-gaap:PaymentsToAcquireOilAndGasProperty contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">2448000</us-gaap:PaymentsToAcquireOilAndGasProperty>
<us-gaap:NetCashProvidedByUsedInInvestingActivities contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">-5497000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
<us-gaap:NetCashProvidedByUsedInInvestingActivities contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">-2450000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
<zn:RepaymentsOfCapitalLoan contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">2000</zn:RepaymentsOfCapitalLoan>
<zn:RepaymentsOfCapitalLoan contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">3000</zn:RepaymentsOfCapitalLoan>
<us-gaap:ProceedsFromStockOptionsExercised contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" xsi:nil="true"/>
<us-gaap:ProceedsFromStockOptionsExercised contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">1000</us-gaap:ProceedsFromStockOptionsExercised>
<zn:ProceedsFromDeferredOfferingCost contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">-79000</zn:ProceedsFromDeferredOfferingCost>
<zn:ProceedsFromDeferredOfferingCost contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" xsi:nil="true"/>
<zn:ProceedsFromIssuanceOfCommonStockAndWarrantsNet contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">3835000</zn:ProceedsFromIssuanceOfCommonStockAndWarrantsNet>
<zn:ProceedsFromIssuanceOfCommonStockAndWarrantsNet contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">2528000</zn:ProceedsFromIssuanceOfCommonStockAndWarrantsNet>
<us-gaap:NetCashProvidedByUsedInFinancingActivities contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">3754000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
<us-gaap:NetCashProvidedByUsedInFinancingActivities contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">2526000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
<us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">-2734000</us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease>
<us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">-990000</us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease>
<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="Context_As_Of_31_Dec_2017T00_00_00_TO_31_Dec_2017T00_00_00" unitRef="USD" decimals="-3">9079000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="Context_As_Of_31_Mar_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">6345000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">4125000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">3135000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
<zn:CapitalizedCostsOfOptionsRelatedToOilAndGasProperties contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">297000</zn:CapitalizedCostsOfOptionsRelatedToOilAndGasProperties>
<zn:CapitalizedCostsOfOptionsRelatedToOilAndGasProperties contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" xsi:nil="true"/>
<us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">1998000</us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1>
<us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1 contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">587000</us-gaap:NoncashOrPartNoncashAcquisitionInvestmentsAcquired1>
<zn:ConvertibleBondInterestPaidInShares contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" xsi:nil="true"/>
<zn:ConvertibleBondInterestPaidInShares contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" xsi:nil="true"/>
<zn:ConvertibleSharesRelatedToSeniorConvertibleBonds contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">148000</zn:ConvertibleSharesRelatedToSeniorConvertibleBonds>
<zn:ConvertibleSharesRelatedToSeniorConvertibleBonds contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" xsi:nil="true" id="Item_8"/>
<zn:AcquisitionOfPropertyAndEquipmentUnderCapitalLease contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" xsi:nil="true"/>
<zn:AcquisitionOfPropertyAndEquipmentUnderCapitalLease contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" xsi:nil="true"/>
<zn:CapitalizedConvertibleBondInterestAttributedToOilAndGasProperties contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">86000</zn:CapitalizedConvertibleBondInterestAttributedToOilAndGasProperties>
<zn:CapitalizedConvertibleBondInterestAttributedToOilAndGasProperties contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">10000</zn:CapitalizedConvertibleBondInterestAttributedToOilAndGasProperties>
<us-gaap:RestrictedCashAndCashEquivalents contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">2791000</us-gaap:RestrictedCashAndCashEquivalents>
<us-gaap:RestrictedCashAndCashEquivalents contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">2024000</us-gaap:RestrictedCashAndCashEquivalents>
<us-gaap:RestrictedCashAndInvestmentsCurrent contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">1325000</us-gaap:RestrictedCashAndInvestmentsCurrent>
<us-gaap:RestrictedCashAndInvestmentsCurrent contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">11000</us-gaap:RestrictedCashAndInvestmentsCurrent>
<us-gaap:RestrictedCashAndInvestmentsNoncurrent contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">9000</us-gaap:RestrictedCashAndInvestmentsNoncurrent>
<us-gaap:RestrictedCashAndInvestmentsNoncurrent contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">1100000</us-gaap:RestrictedCashAndInvestmentsNoncurrent>
<us-gaap:NatureOfOperations contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 1 - Nature of Operations, Basis of Presentation and Going Concern&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;A. Nature of Operations&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Zion Oil &amp;amp; Gas, Inc., a Delaware corporation (&amp;#8220;we,&amp;#8221; &amp;#8220;our,&amp;#8221; &amp;#8220;Zion&amp;#8221; or the &amp;#8220;Company&amp;#8221;) is an oil and gas exploration company with a history of 19 years of oil &amp;amp; gas exploration in Israel. As of March 31, 2019, the Company has no revenues from its oil and gas operations.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Zion maintains its corporate headquarters in Dallas, Texas. We also have branch offices in Caesarea, Israel and Geneva, Switzerland. The purpose of the Israel branch is to support the Company&amp;#8217;s operations in Israel, and the purpose of the Switzerland branch is to operate a foreign treasury center for the Company.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;u&gt;Exploration Rights/Exploration Activities&lt;/u&gt;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company currently holds one active petroleum exploration license onshore Israel, the Megiddo-Jezreel License, comprising approximately 99,000&amp;#160;acres. The Megiddo Jezreel #1 (&amp;#8220;MJ #1&amp;#8221;) exploratory well was spud on June 5, 2017 and drilled to a total depth (&amp;#8220;TD&amp;#8221;) of 5,060 meters (approximately 16,600 feet). Thereafter, the Company successfully cased and cemented the well while awaiting the approval of the testing protocol. The Ministry of Energy approved the well testing protocol on April 29, 2018.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font:
 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;During the fourth quarter of 2018, the Company&amp;#8217;s testing protocol was concluded at the MJ #1 well. The test results confirmed that the MJ #1 well did not contain hydrocarbons in commercial quantities in the zones tested. As a result of the above determination, in the year ended December 31, 2018, the Company recorded a non-cash impairment charge to its unproved oil and gas properties of $30,906,000. During the first quarter of 2019, the Company recorded a post-impairment charge of approximately $163,000.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;The MJ#1 well provided Zion with information Zion believes is important for potential future exploration efforts within its license area. As with many frontier wildcat wells, the MJ#1 also left several questions unanswered.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;While not meant to be an exhaustive list, a summary of what Zion believes to be key information learned in the MJ#1 well is as follows:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 72px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 24px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;The MJ#1 encountered much higher subsurface temperatures at a depth shallower than expected before drilling the well. In our opinion, this is significant because reaching a minimum temperature threshold is necessary for the generation of hydrocarbons from an organic-rich source rock.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;The known organic rich (potentially hydrocarbon bearing) Senonian age source rocks that are typically present in this part of Israel were not encountered as expected. Zion expected these source rocks to be encountered at approximately 1,000 meters in the MJ#1 well.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman',
 times,
 serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;MJ#1 had natural fractures, permeability (the ability of fluid to move through the rock) and porosity (pore space in rock) that allowed the sustained flow of formation fluid in the shallower Jurassic and lower Cretaceous age formations between approximately 1,200 and 1,800 meters. While no hydrocarbons were encountered, Zion believes this fact is nonetheless significant because it provides important information about possible reservoir pressures and the ability of fluids to move within the formation and to the surface.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;4.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;MJ#1 encountered oil in the Triassic Mohilla formation which Zion believes suggests an active deep petroleum system is in Zion&amp;#8217;s license area. There was no natural permeability or porosity in the Triassic Mohilla formation to allow formation fluid to reach the surface naturally during testing and thus the MJ#1 was not producible or commercial.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;5.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;The depths and thickness of the formations we encountered varied greatly from pre-drill estimates. This required the MJ#1 to be drilled to a much greater depth than previously expected. Zion has tied these revised formation depths to seismic data which will allow for more accurate interpretation and mapping in the future.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;font style="background-color: white;"&gt;A summary of what Zion believes to be some key questions left to be answered are:&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 71px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size:
 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td
 style="font: 10pt/normal 'times new roman', times, serif; width: 24px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;Is the missing shallow Senonian age source rock a result of regional erosion, or is it missing because of a fault that cut the well-bore and could be reasonably expected to be encountered in the vicinity of the MJ#1 drill site&amp;#63; Zion believes this is an important question to answer because if the Senonian source rocks do exist in this area, the high temperatures encountered are sufficient to mature these source rocks and generate oil.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;Do the unusually high shallow subsurface temperatures extend regionally beyond the MJ#1 well, which could allow for the generation of hydrocarbons in the Senonian age source rock within our license area&amp;#63;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;As a consequence of seismic remapping, where does the MJ#1 well lie relative to the potential traps at the Jurassic and Triassic levels and was the well location too low on the structures and deeper than the potential hydrocarbons within those traps&amp;#63;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;As a result of these unanswered questions and with the information gained drilling the MJ#1 well, Zion now believes it is prudent and consistent with good industry practice to try and answer some of these questions with a focused 3D seismic imaging shoot of approximately 60 square kilometers surrounding the MJ#1 well.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;Zion received a multi-year license extension through December 2, 2020. The Company has completed preliminary field scouting and a suggested final survey design for the proposed 3D seismic survey. The permitting process has begun, as well as identifying potential seismic source equipment and wireless geophones to record the signal, which Zion believes it might be necessary to import. Contracts with seismic services providers will need to be negotiated along with potential surface damages to crops, irrigation piping and other surface features. Once data acquisition is completed, interpretation is the final step and will involve integration with, and modification of, previous work by Zion technical staff.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent:
 0px; letter-spacing: normal;
 word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt; background-color: white;"&gt;Zion&amp;#8217;s ability to fully undertake all of these aforementioned activities is subject to its raising the needed capital from its continuing offerings, of which no assurance can be provided.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Megiddo-Jezreel Petroleum License, No. 401 (&amp;#8220;MJL&amp;#8221;)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The MJL was awarded on December 3, 2013 for a three-year primary term through December 2, 2016, with the possibility of additional one-year extensions up to a maximum of seven years. The MJL lies onshore, south and west of the Sea of Galilee, and the Company continues its exploration focus here as it appears to possess the key geologic ingredients of an active petroleum system with significant exploration potential. In late November 2016, The State of Israel&amp;#8217;s Petroleum Commissioner officially approved Zion&amp;#8217;s drilling date and license extension request.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On October 30, 2017, the Company sought a multi-year extension to its existing license. After receiving feedback from Israel&amp;#8217;s Petroleum Commissioner, the Company submitted a revised extension request on November 9, 2017. On November 20, 2017, Israel&amp;#8217;s Petroleum Commissioner officially approved the Company&amp;#8217;s multi-year extension request on its Megiddo-Jezreel License No. 401, extending its validity to December 2, 2019. Until recently, the Company remained subject to the following updated key license terms:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;No.&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1097px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Activity Description&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px;
 font-size-adjust: none;
 font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 313px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Execution by:&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;1&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;Submit final report on the results of drilling&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;31 May 2018&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;2&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;Submit program for continuation of work under license&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;30 June 2018&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On June 1, 2018, Zion submitted its&amp;#160;&lt;i&gt;Megiddo-Jezreel #1 End of Well Report (EOWR)&lt;/i&gt;&amp;#160;for the Megiddo-Jezreel License No. 401, thus fulfilling its No. 1 Final Report license work plan obligation, shown above.&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On June 14, 2018 Zion submitted its&amp;#160;&lt;font style="font-variant: small-caps;"&gt;&lt;u&gt;Application for Extension of Continued Work Program Due Date on the Megiddo-Jezreel License No. 401&lt;/u&gt;&lt;/font&gt;. The additional time was necessary because we had still not completed testing and evaluating all planned testing zones. On July 1, 2018, Israel&amp;#8217;s Petroleum Commissioner granted Zion&amp;#8217;s work program report extension to November 1, 2018, as shown below.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;No.&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font
 style="font-family:
 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1097px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Activity Description&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 313px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Execution by:&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;1&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Submit program for continuation of work under license&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;1 November 2018&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On October 16, 2018 Zion submitted its&amp;#160;&lt;font style="font-variant: small-caps;"&gt;&lt;u&gt;Application for Extension of Continued Work Program Due Date on the Megiddo-Jezreel License No. 401&lt;/u&gt;&lt;/font&gt;. The additional time was necessary because we had still not completed testing and evaluating all planned testing zones. On October 28, 2018, Israel&amp;#8217;s Petroleum Commissioner granted Zion&amp;#8217;s work program report extension to January 31, 2019, as shown below.&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;No.&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1097px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Activity Description&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 313px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Execution by:&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;1&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Submit program
 for continuation of
 work under license&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;31 January 2019&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On January 31, 2019, Zion submitted its&amp;#160;&lt;font style="font-variant: small-caps;"&gt;&lt;u&gt;Application for Extension of Continued Work Program Due Date on the Megiddo-Jezreel License No. 401&lt;/u&gt;&lt;/font&gt;. The additional time was necessary to finalize the work program. On February 3, 2019 Israel&amp;#8217;s Petroleum Commissioner granted Zion&amp;#8217;s work program report extension to February 28, 2019, as shown below:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;&amp;#160;Number&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1097px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Activity Description&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 313px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Execution by:&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;3&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;Submit program for continuation of work under license&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;28 February&amp;#160;2019&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The continuation of work program was timely submitted to Israel&amp;#8217;s Petroleum Commissioner and subsequently approved.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal;
 -webkit-text-stroke-width: 0px;
 text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Number&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1097px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&lt;i&gt;Activity Description&lt;/i&gt;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 313px; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;1&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;Received approval for an extension of the MJ#1 License through December 2, 2020&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;28 February 2019&lt;/i&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On February 24, 2019 and thereafter on February 26, 2019 Zion submitted its&amp;#160;&lt;font style="font-variant: small-caps;"&gt;&lt;u&gt;proposed 2019 WORK PROGRAM ON the Megiddo-Jezreel License No. 401.&lt;/u&gt;&lt;/font&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On February 28, 2019 Israel&amp;#8217;s Petroleum Commissioner officially approved the revised and updated Work Program on the Megiddo-Jezreel License No. 401 as shown below&lt;u&gt;:&lt;/u&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Number&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="width: 16px;"&gt;&amp;#160;&lt;/td&gt;&lt;td
 style="font: 10pt/normal 'times new
 roman', times, serif; width: 1097px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Activity description&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 313px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Execution by:&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Submission of seismic survey plan to the Commissioner and execution of an agreement with a contractor to perform&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;30 April 2019&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Commence 3D seismic survey in an area of approximately 50 square kilometers&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1 August 2019&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Transfer of field material configuration and processed material to the Ministry pursuant to Ministry guidelines&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;15 December 2019&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;4&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Submit interpretation report&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;20 February 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On February 24, 2019 Zion submitted a request to the Commissioner to extend the Megiddo-Jezreel License No. 401 up to December 2, 2020.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On February 28, 2019 the Commissioner approved the extension of the Megiddo-Jezreel License No. 401 up to December 2, 2020.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color:
 initial;"&gt;&amp;#160;&lt;/p&gt;&lt;p style="font: 10pt/normal
 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On April 30, 2019 Zion submitted its&amp;#160;&lt;font style="font-variant: small-caps;"&gt;&lt;u&gt;Application for Extension of Continued Work Program Due Date on the Megiddo-Jezreel License No. 401&lt;/u&gt;&lt;/font&gt;. The additional time is necessary because Zion intends to conduct a 3D survey in an area of approximately 60 square kilometers. This requires, amongst others, extensive permitting activities with relevant local landowners, the ILA, certain authorities and others throughout the seismic survey area and in all likelihood will not conclude prior to the beginning of the Jewish holidays in October and rainy season. This in turn would result in additional delay, as rain and mud are not conductive to the performance of a seismic survey which includes extensive use of vibrators.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Zion&amp;#8217;s proposed new timelines and activity descriptions are shown below:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Number&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="width: 16px; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1097px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Activity description&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="width: 15px; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 313px; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Execution by:&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Submission of seismic survey plan to the Commissioner and execution of an agreement with a contractor to perform&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;30 November, 2019&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Commence 3D seismic survey in an area of approximately 60 square kilometers&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1 April, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Transfer of field material configuration and processed material to the Ministry
 pursuant to Ministry
 guidelines&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;15 August 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;4&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Submit interpretation report&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;15 November, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On May 1, 2019, Israel&amp;#8217;s Petroleum Commissioner granted Zion&amp;#8217;s work program report extension to November 1, 2019, as shown below.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;As previously disclosed, the Company required authorization from the Israel Land Authority (the &amp;#8220;ILA&amp;#8221;), the formal lessor of the land to Kibbutz Sde Eliyahu, on whose property the drilling pad is currently situated, to access and utilize the drill site (&amp;#8220;surface use agreement&amp;#8221;). The Company received this authorization on July 4, 2016. This was preceded by the Company&amp;#8217;s May 15, 2016 signed agreement with the kibbutz. On January 11, 2017, an agreement was signed by the Company and the ILA by which the surface usage agreement was extended through December 3, 2017. On December 31, 2017, an agreement was signed by the Company and the ILA by which the surface usage agreement was extended through December 3, 2019.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Zion&amp;#8217;s Former Jordan Valley, Joseph, and Asher-Menashe Licenses&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On March 29, 2015, the Energy Ministry formally approved the Company&amp;#8217;s application to merge the southernmost portion of the Jordan Valley License into the Megiddo-Jezreel License. The Company has plugged all of its exploratory wells (in the former Joseph and Asher-Menashe Licenses) but acknowledges its obligation to complete the abandonment of these well sites in accordance with guidance from the Environmental Ministry and local officials.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt;
 letter-spacing: normal;
 word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;B. Basis of Presentation&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The accompanying unaudited interim condensed financial statements of Zion Oil &amp;amp; Gas, Inc. have been prepared in accordance with accounting principles generally accepted in the United States of America (&amp;#8220;GAAP&amp;#8221;) for interim financial information and with Article 8-03 of Regulation&amp;#160;S-X. Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. In the opinion of management, all adjustments, consisting only of normal recurring accruals necessary for a fair statement of financial position, results of operations and cash flows, have been included. The information included in this Quarterly Report on Form 10-Q should be read in conjunction with the financial statements and the accompanying notes included in the Company&amp;#8217;s Annual Report on Form 10-K for the year ended December 31, 2018. The year-end balance sheet data presented for comparative purposes was derived from audited financial statements, but does not include all disclosures required by GAAP. The results of operations for the three months ended March 31, 2019 are not necessarily indicative of the operating results for the year ending December 31, 2019 or for any other subsequent interim period.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;C. Going Concern&lt;/b&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company incurs cash outflows from operations, and all exploration activities and overhead expenses to date have been financed by way of equity or debt financing. The recoverability of the costs incurred to date is uncertain and dependent upon achieving significant commercial production.&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company&amp;#8217;s ability to continue as a going concern is dependent upon obtaining the necessary financing to undertake further exploration and development activities and ultimately generating profitable operations from its oil and natural gas interests in the future. The Company&amp;#8217;s current operations are dependent upon the adequacy of its current assets to meet its current expenditure requirements and the accuracy of management&amp;#8217;s estimates of those requirements. Should those estimates be materially incorrect, the Company&amp;#8217;s ability to continue as a going concern may be impaired. The financial statements have been prepared on a going concern basis, which contemplates realization of assets and liquidation of liabilities in the ordinary course of business. During the three months ended March 31, 2019, the Company incurred a net loss of approximately $2.2 million and had an accumulated deficit of approximately $201 million. These factors raise substantial doubt about the Company&amp;#8217;s ability to continue as a going concern.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal;
 -webkit-text-stroke-width: 0px;
 text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;To carry out planned operations, the Company must raise additional funds through additional equity and/or debt issuances or through profitable operations. There can be no assurance that this capital or positive operational income will be available to the Company, and if it is not, the Company may be forced to curtail or cease exploration and development activities. The financial statements do not include any adjustments that might result from the outcome of this uncertainty.&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:NatureOfOperations>
<us-gaap:SignificantAccountingPoliciesTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 2 - Summary of Significant Accounting Policies&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;A. Net Gain (Loss) per Share Data&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Basic and diluted net (loss) gain per share of common stock, par value $0.01 per share (&amp;#8220;Common Stock&amp;#8221;), is presented in conformity with ASC 260-10 &amp;#8220;Earnings Per Share.&amp;#8221; Diluted net loss per share is the same as basic net loss per share, as the inclusion of 9,651,835 and 9,651,569 Common Stock equivalents in the three-month period ended March 31, 2019 and 2018 respectively, would be anti-dilutive.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;B. Use of Estimates&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The preparation of the accompanying financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenues and expenses. Such estimates include the valuation of unproved oil and gas properties, deferred tax assets, asset retirement obligations and legal contingencies. These estimates and assumptions are based on management&amp;#8217;s best estimates and judgment. Management evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment, which management believes to be reasonable under the circumstances. The Company adjusts such estimates and assumptions when facts and circumstances dictate. Illiquid credit markets, volatile equity, foreign currency, and energy markets have combined to increase the uncertainty inherent in such estimates and assumptions. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates. Changes in those estimates resulting from continuing changes in the economic environment will be reflected in the financial statements in future periods.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;C. Oil and Gas Properties and Impairment&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company follows the full-cost method of accounting for oil and gas properties. Accordingly, all costs associated
 with acquisition, exploration and development of oil and gas reserves, including directly related overhead costs, are capitalized.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;All capitalized costs of oil and gas properties, including the estimated future costs to develop proved reserves, are amortized on the unit-of-production method using estimates of proved reserves. Investments in unproved properties and major development projects are not amortized until proved reserves associated with the projects can be determined or until impairment occurs. If the results of an assessment indicate that the properties are impaired, the amount of the impairment is included in loss from continuing operations before income taxes, and the adjusted carrying amount of the proved properties is amortized on the unit-of-production method.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company&amp;#8217;s oil and gas property represents an investment in unproved properties. These costs are excluded from the amortized cost pool until proved reserves are found or until it is determined that the costs are impaired. All costs excluded are reviewed at least quarterly to determine if impairment has occurred. The amount of any impairment is charged to expense since a reserve base has not yet been established. Impairment requiring a charge to expense may be indicated through evaluation of drilling results, relinquishing drilling rights or other information.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;During the fourth quarter of 2018, the Company testing protocol was concluded at the Megiddo Jezreel #1 (&amp;#8220;MJ #1&amp;#8221;) well. The test results confirmed that the MJ #1 well did not contain hydrocarbons in commercial quantities in the zones tested. As a result of the above determination, in the year ended December 31, 2018, the Company recorded a non-cash impairment charge to its unproved oil and gas properties of $30,906,000 (see Note 4). During the first quarter of 2019, the Company recorded a post-impairment charge of approximately $163,000.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Currently, the Company has no economically recoverable reserves and no amortization base. The Company&amp;#8217;s unproved oil and gas properties consist of capitalized exploration costs of $6,900,000 and $6,714,000 as of March 31, 2019, and December 31, 2018, respectively.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;D. Fair Value Measurements&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company follows Accounting Standards Codification (ASC) 820, &amp;#8220;Fair Value Measurements and Disclosures,&amp;#8221; as amended by Financial Accounting Standards Board (FASB) Financial Staff Position
 (FSP) No. 157 and related guidance. Those provisions relate to the Company&amp;#8217;s financial assets and liabilities carried at fair value and the fair value disclosures related to financial assets and liabilities. ASC 820 defines fair value, expands related disclosure requirements, and specifies a hierarchy of valuation techniques based on the nature of the inputs used to develop the fair value measures. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, assuming the transaction occurs in the principal or most advantageous market for that asset or liability.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;There are three levels of inputs to fair value measurements - Level 1, meaning the use of quoted prices for identical instruments in active markets; Level 2, meaning the use of quoted prices for similar instruments in active markets or quoted prices for identical or similar instruments in markets that are not active or are directly or indirectly observable; and Level 3, meaning the use of unobservable inputs.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company uses Level 1 inputs for its fair value measurements whenever there is an active market, with actual quotes, market prices, and observable inputs on the measurement date. The Company uses Level 2 inputs for fair value measurements whenever there are quoted prices for similar securities in an active market or quoted prices for identical securities in an inactive market. The Company uses Level 3 inputs in the Binomial Model used for the valuation of the derivative liability.&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;E. Derivative Liabilities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;In accordance with ASC 815-40-25 and ASC 815-10-15 Derivatives and Hedging and ASC 480-10-25 Liabilities-Distinguishing Liabilities from Equity, the embedded derivatives&amp;#160;associated with the Convertible Bonds are accounted for as a liability during the term of the related Convertible Bonds (see Note 6).&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;F. Stock-Based Compensation&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ASC 718, &amp;#8220;Compensation &amp;#8211; Stock Compensation,&amp;#8221; prescribes accounting and reporting standards for all share-based payment transactions in which employee services are acquired. Transactions include incurring liabilities, or issuing or offering to issue shares, options, and other equity instruments such as employee stock ownership plans and stock appreciation rights. Share-based payments to employees, including grants of employee stock options, are recognized as compensation expense in the financial statements based on their fair values. That expense is recognized over the period
 during which an employee is required to provide services in exchange for the award, known as the requisite service period (usually the vesting period).&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company accounts for stock-based compensation issued to non-employees and consultants in accordance with the provisions of ASC 505-50, &amp;#8220;Equity &amp;#8211; Based Payments to Non-Employees.&amp;#8221; Measurement of share-based payment transactions with non-employees is based on the fair value of whichever is more reliably measurable: (a) the goods or services received; or (b) the equity instruments issued. The fair value of the share-based payment transaction is determined at the earlier of performance commitment date or performance completion date.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;G. Related parties&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Parties are considered to be related to the Company if the parties, directly or indirectly, through one or more intermediaries, control, are controlled by, or are under common control with the Company. Related parties also include principal owners of the Company, its management, members of the immediate families of principal owners of the Company and its management and other parties with which the Company may deal if one party controls or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests. All transactions with related parties are recorded at fair value of the goods or services exchanged.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;H. Recently Adopted Accounting Pronouncements&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;ASU 2016-02 and ASU 2018-01 &amp;#8211; Leases (Topic 842)&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;In February 2016, the Financial Accounting Standards Board (&amp;#8220;FASB&amp;#8221;) issued ASU 2016-02, Leases (Topic 842) (&amp;#8220;ASU 2016-02&amp;#8221;) in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under previous GAAP. ASU 2016-02 requires that a lessee should recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018 (including interim periods within those periods) using a modified retrospective approach and early adoption is permitted. Zion adopted ASU 2016-02 in the first quarter of 2019. Presently, Zion has operating leases for office space in Dallas, Texas and in Caesarea, Israel plus various leases for motor vehicles. These leases have been accounted for under ASU 2016-02 in 2019 by establishing a right-of-use asset and a corresponding current lease liability and non-current lease liability. Zion is not subject to any
 loan covenants and therefore, the increase in assets and liabilities does not have a material impact on its business.&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;In January 2018, the FASB issued ASU 2018-01, &amp;#8220;Land Easement Practical Expedient for Transition to &amp;#8220;Topic 842.&amp;#8221;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;The amendments in this Update provide an optional transition practical expedient to not evaluate under Topic 842 existing or expired land easements that were not previously accounted for as leases under Topic 840, Leases. An entity that elects this practical expedient should evaluate new or modified land easements under Topic 842 beginning at the date that the entity adopts Topic 842. An entity that does not elect this practical expedient should evaluate all existing or expired land easements in connection with the adoption of the new lease requirements in Topic 842 to assess whether they meet the definition of a lease. The Company does not have any land easements and believes that this ASU 2018-01 has no effect on the Company.&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;ASU 2016-15 and ASU 2016-08 &amp;#8211; Statement of Cash Flows (Topic 230)&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;In August 2016, the FASB issued AS 2016-15, &amp;#8220;Classification of Certain Cash Receipts and Cash Payments&amp;#8221;, which clarifies how certain cash receipts and cash payments are presented and classified in the statement of cash flows. The effective date for ASU 2016-15 is for fiscal years beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of adopting ASU 2016-15 on our financial statements.&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230) (&amp;#8220;ASU 2016-18&amp;#8221;), which requires that restricted cash and restricted cash equivalents be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total cash amounts shown on the statement of cash flows. The effective date for ASU 2016-18 is for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted.&amp;#160;&lt;font style="background-color: white;"&gt;We adopted ASU 2016-18 effective January 1, 2018. The adoption of ASU 2016-18 had no impact on our retained earnings, and no impact to our net income on an ongoing basis. Adoption of the new standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash, or restricted cash equivalents. The amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statements of cash flows. The amendments have been applied using a retrospective transition method to each period presented, as required. The period ended March 31, 2019 has been reclassified to reflect this change.&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&lt;/font&gt;ASU 2018-05 &amp;#8211; Income Taxes (Topic 740)&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal;
 -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;In March 2018, the FASB issued ASU 2018-05, &amp;#8220;Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118&amp;#8221;. This ASU expresses the view of the staff regarding application of Topic 740, Income Taxes, in the reporting period that includes December 22, 2017, the date on which the Tax Cuts and Jobs Act (H.R.1, An Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal Year 2018) was signed into law. The Company is currently evaluating the impact of adopting ASU 2018-05 on our financial statements.&amp;#160;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ASU 2016-09&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;In March 2016, the FASB issued ASU No. 2016-09, Compensation &amp;#8211; Stock Compensation, or ASU No. 2016-09. The areas for simplification in this Update involve several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. For public entities, the amendments in this Update are effective for annual periods beginning after December 15, 2016, and interim periods within those annual periods. Early adoption is permitted in any interim or annual period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity that elects early adoption must adopt all of the amendments in the same period. Amendments related to the timing of when excess tax benefits are recognized, minimum statutory withholding requirements, forfeitures, and intrinsic value should be applied using a modified retrospective transition method by means of a cumulative-effect adjustment to equity as of the beginning of the period in which the guidance is adopted. Amendments related to the presentation of employee taxes paid on the statement of cash flows when an employer withholds shares to meet the minimum statutory withholding requirement should be applied retrospectively. Amendments requiring recognition of excess tax benefits and tax deficiencies in the income statement and the practical expedient for estimating expected term should be applied prospectively. An entity may elect to apply the amendments related to the presentation of excess tax benefits on the statement of cash flows using either a prospective transition method or a retrospective transition method. The Company believes that this ASU No. 2016-09 has no impact on our financial statements.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company does not believe that the adoption of any recently issued accounting pronouncements in 2019 had a significant impact on our financial position, results of operations, or cash flow, except for ASC Update No. 2015-03&amp;#8212;Interest&amp;#8212;Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the carrying value of the associated debt liability, consistent with the presentation of a debt discount. For public business entities, the amendments in this Update are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. At March 31, 2019 and December 31, 2018, the Company reclassified $57,000 and $63,000, respectively, in deferred offering costs from an asset account and applied it to the outstanding debt balance (see Note 5).&lt;/font&gt;&lt;/p&gt;
&lt;/div&gt;</us-gaap:SignificantAccountingPoliciesTextBlock>
<us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 3 - Stockholders&amp;#8217; Equity&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;A. 2011 Equity Incentive Stock Option Plan&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;During the three months ended March 31, 2019, the Company granted the following options from the 2011 Equity Incentive Plan for employees, directors and consultants, to purchase as non-cash compensation (the exercise of penny stock options is taxable at full market value on the date of exercise):&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 24px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 24px; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;i.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Options to purchase 25,000 shares of Common Stock to one senior officer at an exercise price of $0.01 per share. The options vested upon grant and are exercisable through January 6, 2029. The fair value of the options at the date of grant amounted to approximately $10,000.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'times new roman', times, serif; font-size: 13.33px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; font-variant-ligatures: normal; font-variant-caps: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'times new roman', times, serif; font-size: 13.33px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; font-variant-ligatures: normal; font-variant-caps: normal;"&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;During the three months ended March 31, 2018, the Company granted the following options from the 2011 Equity Incentive Plan for employees, directors and consultants, to purchase as non-cash compensation (the exercise of penny stock options are taxable on the date of exercise):&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: top;"&gt;&lt;td style="width: 24px;
 font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 24px; text-align: justify; font-family: calibri, sans-serif;"&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;i.&lt;/font&gt;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;Options to purchase 330,000 shares of Common Stock to 23 senior officers, staff members and consultants at an exercise price of $.01 per share. The options have vesting schedules of 165,000 shares on June 30, 2018 and 165,000 shares on December 31, 2018. The options are exercisable through January 1, 2028. The fair value of the options at the date of grant amounted to approximately $759,000.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt;&lt;td style="font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt;&lt;td style="font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;ii.&lt;/font&gt;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;Options to purchase 110,000 shares of Common Stock to five senior officers at an exercise price of $0.01 per share. The options vested upon grant and are exercisable through January 4, 2028. The fair value of the options at the date of grant amounted to approximately $250,000.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt;&lt;td style="font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: top;"&gt;&lt;td style="font-family: calibri, sans-serif;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;iii.&lt;/font&gt;&lt;/td&gt;&lt;td style="text-align: justify; font-family: calibri, sans-serif;"&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;Options to purchase 55,000 shares of Common Stock to three consultants an exercise price of $0.01 per share. The options vested upon grant. However, the exercisability of these options is according to the following schedule: (a) 27,500 options are exercisable on June 30, 2018 and (b) the remaining 27,500 options are exercisable on June 30, 2019.&amp;#160;The fair value of the options at the date of grant amounted to $222,000.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;B. 2011 Non-Employee Directors Stock Option Plan&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;During the three months ended March 31, 2019, the Company did not grant any qualified (market value) options from the 2011 Non-Employee Directors Stock Option Plan to its directors.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;During the three months ended March 31, 2018, the Company granted the following qualified (market value) options from the 2011 Non-Employee Directors Stock Option Plan for directors to purchase as non-cash compensation:&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0"
 cellpadding="0"&gt;&lt;tr style="vertical-align: top;"&gt;&lt;td style="font: 10pt/normal calibri, sans-serif; width: 24px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal calibri, sans-serif; width: 24px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;i.&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal calibri, sans-serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;div&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;Options to purchase 400,000 shares of Common Stock to eight board members at an exercise price of $2.31 per share. The options vested upon grant and are exercisable through January 1, 2024. The fair value of the options at the date of grant amounted to approximately $428,000.&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&lt;font style="font-family: 'times new roman', serif; font-size: 10pt;"&gt;&lt;br /&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;C. Stock Options&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 7pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;The stock option transactions since January 1, 2019 are shown in the table below:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 7pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;Number of&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;shares&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;Weighted Average&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;exercise price&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal
 'times new roman', times, serif; width: 1191px; font-size-adjust: none; font-stretch: normal;"&gt;Outstanding, December 31, 2018&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;4,788,443&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.37&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Changes during 2019 to:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Granted to employees, officers, directors and others *&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;25,000&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Expired/Cancelled/Forfeited&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(330,693&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.11&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Exercised&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt;
 border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;(52,500&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Outstanding, March 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;4,430,250&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.33&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Exercisable, March 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;4,420,250&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.33&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 7pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 0.25in; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;*&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;The receipt of a stock option grant by the grantee recipient is a non-taxable event according to the Internal Revenue Service. The grantee who later chooses to exercise penny stock options must recognize the market value in income in the year of exercise.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'times new roman', times, serif; font-size: 13.33px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; font-variant-ligatures: normal; font-variant-caps: normal;"&gt;&lt;font style="font-size: 8pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'times new roman', times, serif; font-size: 13.33px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; font-variant-ligatures: normal; font-variant-caps: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The following table summarizes information about stock options outstanding as of March 31, 2019:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal;
 -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 8pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="14"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Shares underlying outstanding options (non-vested)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="14"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Shares underlying outstanding options (fully vested)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Range of&lt;/b&gt;&lt;br /&gt;&lt;b&gt;exercise&lt;/b&gt;&lt;br /&gt;&lt;b&gt;price&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Number outstanding&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Weighted average remaining contractual life (years)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; 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text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new
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font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;4.15&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;25,000&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;5.26&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; 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text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;0.01&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;10,000&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none;
 font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;0.01&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;0.01-4.15&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;4,420,250&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.32&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 8pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 0.25in; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;*&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;div&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;27,500 are exercisable on June 30,
 2019.&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;br /&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Granted to employees&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The following table sets forth information about the weighted-average fair value of options granted to employees and directors during the year, using the Black Scholes option-pricing model and the weighted-average assumptions used for such grants:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;For&amp;#160;the&amp;#160;three&amp;#160;months&amp;#160;ended&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;March 31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Weighted-average fair value of underlying stock at grant date&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.42&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.31&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Dividend yields&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align:
 left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#8212;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#8212;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Expected volatility&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;87&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;68%-70&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Risk-free interest rates&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.53&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.01%-2.25&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Expected lives (in years)&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;5.00&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.50-5.50&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Weighted-average grant date fair value&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.41&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.69&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px;
 letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Granted to non-employees&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The following table sets forth information about the weighted-average fair value of options granted to non-employees during the year, using the Black Scholes option-pricing model and the weighted-average assumptions used for such grants:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;For&amp;#160;the&amp;#160;three&amp;#160;months&amp;#160;ended&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;March 31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1223px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Weighted-average fair value of underlying stock&amp;#160;at grant date&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 126px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif;
 font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 125px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.37&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Dividend yields&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#8212;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Expected volatility&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;73%-76&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;%&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Risk-free interest rates&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; white-space: nowrap; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; white-space: nowrap; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.46%-2.81&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif;
 font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;%&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Expected lives (in years)&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;10.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Weighted-average grant date fair value&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.36&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;br /&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant for periods corresponding with the expected life of the options.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The expected life represents the weighted average period of time that options granted are expected to be outstanding. The expected life of the options granted to employees and directors is calculated based on the Simplified Method as allowed under Staff Accounting Bulletin No.&amp;#160;110 (&amp;#8220;SAB&amp;#160;110&amp;#8221;),&amp;#160;giving consideration to the contractual term of the options and their vesting schedules, as the Company does not have sufficient historical exercise data at this time. The expected life of the option granted to non-employees equals their contractual term. In the case of an extension of the option life, the calculation was made on the basis of
 the extended life.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;D. Compensation Cost for Warrant and Option Issuances&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The following table sets forth information about the compensation cost of warrant and option issuances recognized for employees and directors:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;For the three months ended March 31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 753px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font
 style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;15&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 736px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;943&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The following table sets forth information about the compensation cost of warrant and option issuances recognized for non-employees:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;For the three months ended March 31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size:
 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 753px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 736px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;302&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The following table sets forth information about the compensation cost of option issuances recognized for employees and non-employees and capitalized to Unproved Oil &amp;amp; Gas properties:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;For the three months ended March 31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none;
 font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 753px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 736px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;297&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;As of March 31, 2019, there was approximately $5,000 of unrecognized compensation cost, related to non-vested stock options granted under the Company&amp;#8217;s various stock option plans. The cost is expected to be recognized during the year 2019.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;E. Dividend Reinvestment and Stock Purchase Plan (&amp;#8220;DSPP&amp;#8221;)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On March 27, 2014, the Company launched its Dividend Reinvestment and Stock Purchase Plan (the &amp;#8220;DSPP&amp;#8221;) pursuant to which stockholders and interested investors can purchase shares of the Company&amp;#8217;s Common Stock as well as units of the Company&amp;#8217;s securities directly from the Company. The terms of the DSPP are described in the Prospectus Supplement originally filed on March 31, 2014 (the &amp;#8220;Original Prospectus Supplement&amp;#8221;) with the Securities and Exchange Commission (&amp;#8220;SEC&amp;#8221;) under the Company&amp;#8217;s effective registration Statement on Form S-3, as thereafter amended.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On January 13, 2015, the Company amended the Original Prospectus Supplement (&amp;#8220;Amendment No. 3&amp;#8221;) to provide for a unit option (the &amp;#8220;Unit Option&amp;#8221;) under the DSPP comprised of one share of Common Stock and three Common Stock purchase warrants with each unit priced at $4.00. Each warrant afforded the participant the opportunity to purchase the Company&amp;#8217;s Common Stock at a warrant exercise price of $1.00. Each of the three warrants series has different expiration dates that have been extended.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px;
 letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants became exercisable on May 2, 2016 and, in the case of ZNWAB continued to be exercisable through May 2, 2017 (1 year) and, in the case of ZNWAC continued to be exercisable through May 2, 2018 for ZNWAC (2 years) and May 2, 2019 for ZNWAD (3 years), respectively, at a per share exercise price of $1.00.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;As of May 2, 2017, any outstanding ZNWAB warrants expired.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;As of May 2, 2018, any outstanding ZNWAC warrants expired.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On December 4, 2018, the Company extended the termination date of the ZNWAD Warrant by one (1) year from the expiration date of May 2, 2019 to May 2, 2020.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On November 1, 2016, the Company launched a unit offering (the &amp;#8220;Unit Program&amp;#8221;) under the Company&amp;#8217;s DSPP pursuant to which participants could purchase units comprised of seven shares of Common Stock and seven Common Stock purchase warrants, at a per unit purchase price of $10. The warrant is referred to as &amp;#8220;ZNWAE.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The ZNWAE warrants became exercisable on May 1, 2017 and continue to be exercisable through May 1, 2020 at a per share exercise price of $1.00. The warrant terms provide that if the Company&amp;#8217;s Common Stock trades above $5.00 per share at the closing price for 15 consecutive trading days at any time prior to the expiration date of the warrant, the Company may, in its sole discretion, accelerate the termination of the warrant upon providing 60 days advanced notice to the warrant holders.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times,
 serif;
 margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On February 23, 2017, the Company filed a Form S-3 with the SEC (Registration No. 333-216191) as a replacement for the Form S-3 (Registration No. 333-193336), for which the three year period ended March 31, 2017, along with the base Prospectus and Supplemental Prospectus. The Form S-3, as amended, and the new base Prospectus became effective on March 10, 2017, along with the Prospectus Supplement that was filed and became effective on March 10, 2017. The Prospectus Supplement under Registration No. 333-216191 describes the terms of the DSPP and replaces the prior Prospectus Supplement, as amended, under the prior Registration No. 333-193336.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On May 22, 2017, the Company launched a new unit offering (the &amp;#8220;New Unit Program&amp;#8221;). The New Unit Program consisted of a new combination of common stock and warrants, a new time period in which to purchase under the program, and a new unit price, but otherwise the same unit program features, conditions and terms in the Prospectus Supplement applied. The New Unit Program terminated on July 12, 2017. This New Unit Program enabled participants to purchase Units of the Company&amp;#8217;s securities where each Unit (priced at $250.00 each) was comprised of (i) the number of shares of Common Stock determined by dividing $250.00 (the price of one Unit) by the average of the high and low sale prices of the Company&amp;#8217;s Common Stock as reported on the NASDAQ on the unit purchase date and (ii) Common Stock purchase warrants to purchase an additional 25 shares of Common Stock at a warrant exercise price of $1.00 per share. The warrant is referred to as &amp;#8220;ZNWAF.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;All ZNWAF warrants became exercisable on August 14, 2017 and continue to be exercisable through August 14, 2020 at a per share exercise price of $1.00. The warrant terms provide that if the Company&amp;#8217;s Common Stock trades above $5.00 per share as the closing price for 15 consecutive trading days at any time prior to the expiration date of the warrant, the Company has the sole discretion to accelerate the termination date of the warrant upon providing 60 days advanced notice to the warrant holders.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On October 16, 2017, the Company initiated another Unit Option Program which terminated on December 6, 2017. This Unit Option Program enabled participants to purchase Units of the Company&amp;#8217;s securities where each Unit (priced at $250.00 each) was comprised of (i) a certain number of shares of Common Stock determined by dividing $250.00 (the price of one Unit) by the average of the high and low sale prices of the Company&amp;#8217;s Common Stock as reported on the NASDAQ on the unit purchase date and (ii) Common Stock purchase warrants to purchase an additional 15 shares of Common Stock at a warrant exercise price of $1.00 per share. The warrant is referred to as &amp;#8220;ZNWAG.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants became exercisable on January 8, 2018 and continue to be exercisable through January 8, 2021 at a per share exercise price of $1.00. The warrant terms provide that if the Company&amp;#8217;s Common Stock trades above $5.00 per share as the closing price for 15 consecutive trading days at any time prior to the expiration date of the warrant, the Company has the sole discretion to accelerate the termination date of the warrant upon providing 60
 days
 advanced notice to the warrant holders.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On February 1, 2018, the Company initiated another Unit Option Program which terminated on February 28, 2018. The Unit Option consisted of Units of our securities where each Unit (priced at $250.00 each) was comprised of (i) 50 shares of Common Stock and (ii) Common Stock purchase warrants to purchase an additional 50 shares of Common Stock. The investor&amp;#8217;s Plan account was credited with the number of shares of the Company&amp;#8217;s Common Stock acquired under the Units purchased. Each warrant affords the investor the opportunity to purchase one share of Company Common Stock at a warrant exercise price of $5.00. The warrant is referred to as &amp;#8220;ZNWAH.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants became exercisable on April 2, 2018 and continue to be exercisable through April 2, 2020 at a per share exercise price of $5.00, after the Company, on December 4, 2018, extended the termination date of the Warrant by one (1) year from the expiration date of April 2, 2019 to April 2, 2020.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On August 21, 2018, the Company initiated another Unit Option, and it terminated on September 26, 2018. The Unit Option consisted of Units of the Company&amp;#8217;s securities where each Unit (priced at $250.00 each) was comprised of (i) a certain number of shares of Common Stock determined by dividing $250.00 (the price of one Unit) by the average of the high and low sale prices of the Company&amp;#8217;s publicly traded common stock as reported on the NASDAQ on the Unit Purchase Date and (ii) Common Stock purchase warrants to purchase an additional twenty-five (25) shares of Common Stock. The investor&amp;#8217;s Plan account was credited with the number of shares of the Company&amp;#8217;s Common Stock acquired under the Units purchased. Each warrant affords the investor the opportunity to purchase one share of Company Common Stock at a warrant exercise price of $1.00. The warrant is referred to as &amp;#8220;ZNWAJ.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants became exercisable on October 29, 2018 and continue to be exercisable through October 29, 2020 at a per share exercise price of $1.00, after the Company, on December 4, 2018, extended the termination date of the Warrant by one (1) year from the expiration date of October 19, 2019 to October 29, 2020.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On December 10, 2018,
 the
 Company initiated another Unit Option and it terminated on January 23, 2019. The Unit Option consisted of Units of the Company&amp;#8217;s securities where each Unit (priced at $250.00 each) is comprised of (i) two hundred and fifty (250) shares of Common Stock and (ii) Common Stock purchase warrants to purchase an additional two hundred and fifty (250) shares of Common Stock at a per share exercise price of $0.01. The investor&amp;#8217;s Plan account was credited with the number of shares of the Company&amp;#8217;s Common Stock and Warrants that are acquired under the Units purchased. Each warrant affords the participant the opportunity to purchase one share of our Common Stock at a warrant exercise price of $0.01. The warrant is referred to as &amp;#8220;ZNWAK.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants became exercisable on February 25, 2019 and continue to be exercisable through February 25, 2020 at a per share exercise price of $0.01.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On April 24, 2019, the Company&amp;#8217;s most recent Unit Option began and is scheduled to terminate on June 6, 2019. The Unit Option consists of Units of the Company&amp;#8217;s securities where each Unit (priced at $250.00 each) is comprised of (i) two hundred and fifty (250) shares of Common Stock and (ii) Common Stock purchase warrants to purchase an additional fifty (50) shares of Common Stock at a per share exercise price of $2.00. The investor&amp;#8217;s Plan account will be credited with the number of shares of the Company&amp;#8217;s Common Stock and Warrants that are acquired under the Units purchased. For Plan participants who enroll into the Unit Program with the purchase of at least one Unit and also enroll in the separate Automatic Monthly Investments (&amp;#8220;AMI&amp;#8221;) program at a minimum of $50.00 per month or more, will receive an additional twenty-five (25) warrants at an exercise price of $2.00 during this Unit Option Program. The twenty-five (25) additional warrants are for enrolling into the AMI program. Existing subscribers to the AMI are entitled to the additional twenty-five (25) warrants once, if they purchase at least one (1) unit during the Unit program. Each warrant affords the participant the opportunity to purchase one share of our Common Stock at a warrant exercise price of $2.00. The warrant is referred to as &amp;#8220;ZNWAL.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants will become exercisable on August 6, 2019 and continue to be exercisable through August 6, 2021 at a per share exercise price of $2.00.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;For the three months ended March 31, 2019, net proceeds of approximately $2,528,000 was raised under the DSPP program.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal;
 word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants represented by the ticker ZNWAA are tradable on the NASDAQ market. However, all of the other warrants characterized above, in the table below, and throughout this Form 10-Q, are not tradeable and are used internally for classification and accounting purposes only.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;br /&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;F. Warrant Descriptions&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The price and the expiration dates for the series of warrants to investors are as follows * :&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Period of Grant&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Expiration Date&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman',
 times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 627px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAA Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 63px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 439px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;March&amp;#160;2013&amp;#160;&amp;#8211;&amp;#160;December&amp;#160;2014&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 48px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 62px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 47px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 31px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 235px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;January&amp;#160;31,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAD Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;January&amp;#160;2015&amp;#160;&amp;#8211;&amp;#160;March&amp;#160;2016&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;May&amp;#160;02,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAE Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;November&amp;#160;2016&amp;#160;&amp;#8211;&amp;#160;March&amp;#160;2017&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;May&amp;#160;01,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td
 style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAF Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;May 2017&amp;#160;&amp;#8211;&amp;#160;July&amp;#160;2017&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;August 14,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAG Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;October&amp;#160;2017&amp;#160;&amp;#8211;&amp;#160;December&amp;#160;2017&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;January&amp;#160;08,&amp;#160;2021&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAH Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;February 2018&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;5.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;April 2, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAI Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;April 2018 &amp;#8211; May 2018&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif;
 font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;June 29, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAJ Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;August 2018 &amp;#8211; September 2018&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;October 29, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAK Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;December 2018 &amp;#8211; January 2019&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;0.01&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;February 25, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 24px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;*&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Zion&amp;#8217;s ZNWAB Warrants expired on May 2, 2017 and its ZNWAC Warrants expired on May 2, 2018&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font:
 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On December 4, 2018, the Company extended the termination date of the Warrants by one (1) year.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;G. Subscription Rights Offering&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On April 2, 2018 the Company announced an offering (&amp;#8220;2018 Subscription Rights Offering&amp;#8221;) through American Stock Transfer &amp;amp; Trust Company, LLC (the &amp;#8220;Subscription Agent&amp;#8221;), at no cost to the shareholders, of non-transferable Subscription Rights to purchase Rights (each &amp;#8220;Right&amp;#8221; and collectively, the &amp;#8220;Rights&amp;#8221;) of its securities to persons who owned shares of our Common Stock on April 13, 2018 (&amp;#8220;the Record Date&amp;#8221;). Pursuant to the 2018 Subscription Rights Offering, each holder of shares of common stock on the Record Date&amp;#160;received non-transferable rights to subscribe for Rights, with each Right comprised of one share of the Company Common Stock, par value&amp;#160;$0.01&amp;#160;per share (the &amp;#8220;Common Stock&amp;#8221;) and one Common Stock Purchase Warrant to purchase an additional one share of Common Stock. Each Right could be purchased at a per Right subscription price of&amp;#160;$5.00. Each Warrant affords the investor the opportunity to purchase one share of the Company Common Stock at a warrant exercise price of&amp;#160;$3.00. The warrant is referred to as &amp;#8220;ZNWAI.&amp;#8221;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrants became exercisable on June 29, 2018 and continue to be exercisable through June 29, 2020 at a per share exercise price of $3.00, after the Company, on December 4, 2018, extended the termination date of the Warrant by one (1) year from the expiration date of June 29, 2019 to June 29, 2020.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Each shareholder received .10 (one tenth) of a subscription right (i.e. one subscription right for each 10 shares owned) for each share of the Company&amp;#8217;s Common Stock owned on the Record Date.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The 2018 Subscription Rights Offering terminated on May 31, 2018. The Company
 raised net proceeds of approximately $3,038,000, from the Rights Offering, after deducting related fees and expenses of $243,000.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;H. Warrant Table&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The warrant transactions since January 1, 2019 are shown in the table below:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; margin-top: 0px; margin-bottom: 0px; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&lt;b&gt;Warrants&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Exercise Price&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&lt;b&gt;Warrant Termination Date&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Beg Balance, 12/31/18&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Warrants Issued&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Warrants Exercised&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Warrants Expired&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Outstanding Balance, 3/31/19&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="width: 254px;"&gt;ZNWAA&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;$&lt;/td&gt;&lt;td style="width: 143px; text-align: right;"&gt;2.00&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: center;"&gt;1/31/2020&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: right;"&gt;1,498,804&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: right;"&gt;0&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: right;"&gt;0&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 145px; text-align: right;"&gt;0&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td
 style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 148px; text-align: right;"&gt;1,498,804&lt;/td&gt;&lt;td style="width: 16px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAD&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;5/2/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;243,853&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;243,853&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td&gt;ZNWAE&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;5/2/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;2,144,510&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;2,144,510&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAF&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;8/14/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;359,610&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;359,610&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td&gt;ZNWAG&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;1/8/2021&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;240,578&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;240,578&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAH&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;5.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;4/19/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;372,400&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;372,400&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td&gt;ZNWAI&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;3.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;6/29/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;640,735&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;640,735&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAJ&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;10/29/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;546,050&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align:
 left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;546,050&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;ZNWAK&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;0.01&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;2/25/2020&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;0&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;673,650&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;(157,605&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;0&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;516,045&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="padding-bottom: 4pt;" colspan="3"&gt;Outstanding warrants&lt;/td&gt;&lt;td style="text-align: right;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;6,046,540&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;673,650&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;(157,605&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;0&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;6,562,585&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;br /&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;b&gt;I. Warrants Extended&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On December 4, 2018, the Company executed an Amendment to certain Warrant Agent Agreements (the &amp;#8220;Agreements&amp;#8221;) between the Company and American Stock Transfer &amp;amp; Trust Company (&amp;#8220;AST&amp;#8221;). The Company has implemented Agreements with AST as the Company&amp;#8217;s Warrant Agent (the &amp;#8220;Warrant Agent&amp;#8221;), under a Warrant Agent Agreement dated February 2, 2015 for the Warrant ZNWAD, under a Warrant Agent Agreement dated
 February 1, 2018 for the Warrant ZNWAH, under a Warrant Agent Agreement dated April 2, 2018 for the Warrant ZNWAI and under a Warrant Agent Agreement dated August 21, 2018 for the Warrant ZNWAJ.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Warrant ZNWAD had an expiration date of May 2, 2019, the Warrant ZNWAH had an expiration date of April 19, 2019, the Warrant ZNWAI had an expiration date of June 29, 2019 and the Warrant ZNWAJ had an expiration date of October 29, 2019.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Pursuant to Section 3.2 of the Warrant Agent Agreements, the Company in its sole discretion extended the termination date of the above Warrants by delaying the Expiration Dates, and such extension was to be identical in duration among all of the Warrants. The Company extended the duration of the Warrant ZNWAD by one (1) year from the expiration date of May 2, 2019 to May 2, 2020. The Company extended the duration of the Warrant ZNWAH by one (1) year from the expiration date of April 19, 2019 to April 19, 2020. The Company extended the duration of the Warrant ZNWAI by one (1) year from the expiration date of June 29, 2019 to June 29, 2020. The Company extended the duration of the Warrant ZNWAJ by one (1) year from the expiration date of October 29, 2019 to October 29, 2020.&lt;/font&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
<us-gaap:OilAndGasPropertiesTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 4 - Unproved Oil and Gas Properties, Full Cost Method&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Unproved oil and gas properties, under the full cost method, are comprised as follows:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March&amp;#160;31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Excluded from amortization base:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Drilling costs, and other operational related costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,242&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman',
 times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,242&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized salary costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,625&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,579&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized interest costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;687&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;677&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Legal costs, license fees and other preparation costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,344&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,216&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Other costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;2&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;6,900&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif;
 padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;6,714&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 0.25in; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;*&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The unproved oil and gas properties balance at March 31, 2019 contains approximately $587,000 in unpaid amounts.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Impairment of unproved oil and gas properties comprised as follows:&lt;font style="font-variant: small-caps;"&gt;&amp;#160;&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt; font-variant: small-caps;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&amp;#160;&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Excluded from amortization base:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif;
 font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Drilling costs, and other operational related costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;142&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Other costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;21&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;163&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Changes in Unproved oil and gas properties during the three months ended March 31, 2019 and 2018 are as follows:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman',
 times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Excluded from amortization base:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Drilling costs, and other operational related costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,466&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized salary costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;46&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;337&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized interest costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal
 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;10&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;86&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Legal costs, license fees and other preparation costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;128&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;278&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Other costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;2&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;72&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;186&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;4,239&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:OilAndGasPropertiesTextBlock>
<us-gaap:DebtDisclosureTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;Note 5 - Senior Convertible Bonds&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;u&gt;Rights Offering -10% Senior Convertible Notes due May 2, 2021&lt;/u&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;On October 21, 2015, the Company filed with the SEC a prospectus supplement for a rights offering. Under the rights offering, the Company distributed at no cost, 360,000 non-transferable subscription rights to subscribe for, on a per right basis, two 10% Convertible Senior Bonds par $100 due May 2, 2021 (the &amp;#8220;Notes&amp;#8221;), to shareholders of the Company&amp;#8217;s Common Stock on October 15, 2015, the record date for the offering. Each whole subscription right entitled the participant to purchase two convertible bonds at a purchase price of $100 per bond. Effective October 21, 2015, the Company executed a Supplemental Indenture, as issuer, with the American Stock Transfer &amp;amp; Trust Company, LLC, a New York limited liability trust company (&amp;#8220;AST&amp;#8221;), as trustee for the Notes (the &amp;#8220;Indenture&amp;#8221;).&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On March 31, 2016, the rights offering terminated.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On May 2, 2016, the Company issued approximately $3,470,000 aggregate principal amount of Notes&amp;#160;in connection with the rights offering. The Company received net proceeds of approximately $3,334,000, from the issuance of the Notes, after deducting fees and expenses of $136,000 incurred in connection with the offering. These costs have been discounted as deferred offering costs.&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Notes contain a convertible option that gives rise to a derivative liability, which is accounted for separately from the Notes (see below and Note 6). Accordingly, the Notes were initially recognized at fair value of
 approximately $1,844,000, which represents the principal amount of $3,470,000 from which a debt discount of approximately $1,626,000 (which is equal to the fair value of the convertible option) was deducted.&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;During the three months ended March 31, 2019, the Company recorded approximately $6,000 in amortization expense related to the deferred financing costs, approximately $93,000 in debt discount amortization, and approximately $1,000 related to financing costs associated with notes converted to shares. The Notes are governed by the terms of the Indenture. The Notes are senior unsecured obligations of the Company and bear interest at a rate of 10% per year, payable annually in arrears on May 2 of each year, commencing May 2, 2017. The Notes will mature on May 2, 2021, unless earlier redeemed by the Company or converted by the holder.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Interest and principal may be paid, at the Company&amp;#8217;s option, in cash or in shares of the Company&amp;#8217;s Common Stock. The number of shares for the payment of interest in shares of Common Stock, in lieu of the cash amount, will be based on the average of the closing prices of the Company&amp;#8217;s Common Stock as reported by Bloomberg L.P. for the 30 trading days preceding the record date for the payment of interest; such record date has been designated and will always be the 10&lt;sup&gt;th&lt;/sup&gt;&amp;#160;business day prior to the interest payment date on May 2 of each year. The number of shares for the payment of principal, in lieu of the cash amount, shall be based upon the average of the closing price of the Company&amp;#8217;s Common Stock as reported by Bloomberg L.P. for the 30 trading days preceding the principal repayment date; such record date has been designated as the trading day immediately prior to the 30-day period preceding the maturity date of May 2, 2021. Fractional shares were not issued, and the final number of shares were rounded up to the next whole share.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;On&amp;#160;May 2, 2019, the Company paid its annual 10% interest to its bondholders of record on April 18, 2019. The interest was paid-in-kind (&amp;#8220;PIK&amp;#8221;) in the form of Common Stock. An average of the Company stock price of $0.774 was determined based on the 30 trading days prior to the record date of April 18, 2019. This figure was used to divide into 10% of the par value of the bonds held by the holders. The Company issued 422,248 shares to the accounts of its bondholders.&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;At any time prior to the close of business on the business day immediately preceding April 2, 2021, holders may convert their notes into Common Stock at the conversion rate of 44 shares per $100 bond (which is equivalent to a conversion rate of approximately $2.27 per share). The conversion rate is subject to adjustment from time to time upon the occurrence of certain events, including, but not limited to, the issuance of stock dividends and payment of cash dividends.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font
 style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Beginning May 3, 2018, the Company was entitled to redeem for cash the outstanding Notes at an amount equal to the principal and accrued and unpaid interest, plus a 10% premium. No &amp;#8220;sinking fund&amp;#8221; is provided for the Notes due May 2021, which means that the Company is not required to periodically redeem or retire the Notes due May 2021.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Through the three months ended March 31, 2019 approximately 10 convertible bonds of $100 each, have been converted at a conversion rate of approximately $2.27 per share. As a result, the Company issued approximately 440 shares of its Common Stock and recorded approximately ($1,000) in financial expenses during the same period.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1177.67px; text-align: left; text-indent: -10pt; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;10% Senior Convertible Bonds, on the day of issuance&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times
 new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,470&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,470&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Unamortized Debt discount, net&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(900&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(993&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Bonds converted to shares&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(204&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(203&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Offering cost, net&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;(57&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;(63&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;10% senior Convertible bonds &amp;#8211; Long Term Liability&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;2,309&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;2,211&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif;
 text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;The Company recognized $10,000 and $86,000 in capitalized interest for the three months ended March 31, 2019, and 2018, respectively.&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;The Company recognized $71,000 and $0 interest expense for the three months ended March 31, 2019, and 2018, respectively.&lt;/p&gt;&lt;/div&gt;</us-gaap:DebtDisclosureTextBlock>
<us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 6 - Derivative Liability&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Notes issued by the Company and discussed in Note 5 contain a convertible option that gives rise to a derivative liability.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The debt instrument the Company issued includes a make-whole provision, which provides that in the event of conversion by the investor under certain circumstances, the issuer is required to deliver to the holder additional consideration beyond the settlement of the conversion obligation.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: -0.25in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Because time value make-whole provisions are not clearly and closely related to the debt host and would meet the definition of a derivative if considered freestanding, they are evaluated under the indexation guidance to determine whether they would be afforded the scope exception pursuant to ASC 815-10-15-74(a). This evaluation is generally performed in conjunction with the analysis of the embedded conversion feature.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company has measured its derivative liability at fair value and recognized the derivative value as a current liability and recorded the derivative value on its balance sheet. The fair value of the shares to be issued upon conversion of the Notes was recorded as a derivative liability, with the change in the fair value recorded as a gain or loss in the accompanying statement of operations.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The valuation of the Notes was done by using the Binomial Model, a well-accepted option-pricing model, and based on the Notes&amp;#8217; terms and other parameters the Company identified as relevant for the valuation of the Notes&amp;#8217; Fair Value.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal;
 -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Binomial Model used the forecast of the Company share price during the Note&amp;#8217;s contractual term.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;As of March 31, 2019, the Company&amp;#8217;s liabilities that are measured at fair value are as follows:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;December 31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Level 3&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Total&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Level 3&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Total&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold
 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 815px; font-size-adjust: none; font-stretch: normal;"&gt;Fair value of derivative liability&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;723&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;723&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Change in value of derivative liability during 2019 are as follows:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif;
 font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1379px; font-size-adjust: none; font-stretch: normal;"&gt;Derivative liability fair value at December 31, 2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Loss on derivative liability&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;378&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;Derivative liability fair value at March 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;723&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The following table presents the assumptions that were used for the model as of March 31, 2019:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Convertible Option Fair Value of approximately&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch:
 normal;"&gt;723,000&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345,000&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Annual Risk-free Rate&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.27&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.47&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Volatility&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;123.19&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;115.35&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Expected Term (years)&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.09&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.34&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Convertible Notes Face Value&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,265,700&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,266,700&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Expected annual yield on Regular Notes&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;28.77&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left;
 font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;28.77&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Price of the Underlying Stock&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.76&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.42&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;During the three months ended March 31, 2019, the Company recorded a loss of approximately $378,000 (net) within the Statements of Operations on derivative liability. A slight change in an unobservable input like volatility could have a significant impact on the fair value measurement of the derivative liability.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock>
<us-gaap:LesseeOperatingLeasesTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 7 &amp;#8211; Right of use leases assets and leases obligations&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company is a lessee in several non-cancelable operating leases, primarily for transportation and office spaces.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The table below presents the operating lease assets and liabilities recognized on the balance sheets as of March&amp;#160;31, 2019:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif;
 font-size-adjust: none; font-stretch:
 normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1177.67px; text-align: left; text-indent: -10pt; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Operating lease assets&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;730&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Operating lease liabilities:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Current operating lease liabilities&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;210&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Non-current operating lease liabilities&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;564&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black;
 border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch:
 normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;Total operating lease liabilities&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;774&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The depreciable lives of operating lease assets and leasehold improvements are limited by the expected lease term.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company&amp;#8217;s leases generally do not provide an implicit rate, and therefore the Company uses its incremental borrowing rate as the discount rate when measuring operating lease liabilities. The incremental borrowing rate represents an estimate of the interest rate the Company would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of a lease within a particular currency environment. The Company used incremental borrowing rates as of January 1, 2019 for operating leases that commenced prior to that date.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company&amp;#8217;s weighted average remaining lease term and weighted average discount rate for operating leases as of March 31, 2019 are:&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March&amp;#160;31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1379px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Weighted average
 remaining lease term (years)&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px;
 font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3.8&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Weighted average discount rate&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;6.0&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The table below reconciles the undiscounted future minimum lease payments (displayed by year and in the aggregate) under non-cancelable operating leases with terms of more than one year to the total operating lease liabilities recognized on the condensed balance sheets as of March&amp;#160;31, 2019:&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1379px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;April 1, 2019 through December 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;271&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;2020&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;271&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;2021&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align:
 right; font-size-adjust: none; font-stretch: normal;"&gt;156&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left;
 font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;2022&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;134&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;2023&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;112&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Thereafter&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Total undiscounted future minimum lease payments&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;944&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Less: portion representing imputed interest&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;(170&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;Total undiscounted future minimum lease payments&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;774&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Operating lease costs were&amp;#160;$68,000&amp;#160;for the three months ended&amp;#160;March&amp;#160;31, 2019. Operating lease costs are included within general and administrative expenses on the statements of income.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2;
 font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times,
 serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Cash paid for amounts included in the measurement of operating lease liabilities were&amp;#160;$71,000&amp;#160;for the three months ended&amp;#160;March&amp;#160;31, 2019, and this amount is included in operating activities in the statements of cash flows. Right-of-use assets obtained in exchange for new operating lease liabilities were&amp;#160;$824,000&amp;#160;for the three months ended&amp;#160;March&amp;#160;31, 2019.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:LesseeOperatingLeasesTextBlock>
<us-gaap:CommitmentsAndContingenciesDisclosureTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 8 - Commitments and Contingencies&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;A. Securities and Exchange Commission (&amp;#8220;SEC&amp;#8221;) Investigation&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;As previously disclosed by the Company, on June 21, 2018, Zion received a subpoena to produce documents from the Fort Worth office of the SEC informing the Company of the existence of a non-public, fact-finding inquiry into the Company. Prior to the receipt of the subpoena on June 21, 2018, Zion had no previous communication with the SEC on this issue and was unaware of this investigation. The SEC stated that &amp;#8220;the investigation and the subpoena do not mean that we have concluded that [Zion] or anyone else has violated the law.&amp;#8221; To date, Zion has furnished all required documents to the SEC and will continue to fully cooperate with the investigation.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company cannot predict when this matter will be resolved or what further action, if any, the SEC may take in connection with it.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;B. Litigation&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Following the commencement of the SEC investigation, on August 9, 2018, a putative class action (the &amp;#8220;class action&amp;#8221;) Complaint was filed against Zion, Victor G. Carrillo, the Company&amp;#8217;s Chief Executive Officer at such time, and Michael B. Croswell Jr., the Company&amp;#8217;s Chief Financial Officer (collectively, the &amp;#8220;Defendants&amp;#8221;) in the U.S. District Court for the Northern District of Texas. On November 16, 2018, the Court entered an Order in the class action appointing lead plaintiffs and approving lead counsel and on January 22, 2019, an Amended Complaint was filed. On February 1, 2019, a Corrected Amended Class Action Complaint was filed. The&amp;#160;suit alleges violations of Section 10(b) of the Securities Exchange Act of 1934 (the &amp;#8220;Exchange Act&amp;#8221;) and Rule 10b-5 promulgated thereunder by the SEC and Section 11 of the
 Securities Act of 1933 (the &amp;#8220;Securities Act&amp;#8221;) against all defendants and alleges violations of Section 20(a) of the Exchange Act and Section 15 of the Securities Act against the individual defendants. The alleged class period is from February 13, 2018 through November 20, 2018. On March 13, 2019, a Motion to Dismiss Plaintiffs&amp;#8217; Corrected Amended Complaint was filed on behalf of Zion, Victor Carrillo and Michael B. Croswell, Jr., pleading numerous grounds in support of their Motion to Dismiss.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;By Verified Consolidated Stockholder Derivative Complaint filed on March 4, 2019, three (3) stockholder derivative lawsuits previously filed in federal district court in Delaware on September 10, 2018, November 1, 2018, and November 21, 2018 were consolidated into one lawsuit filed derivatively and purportedly on behalf of the Company against Victor G. Carrillo, Michael B. Croswell, Jr., John M. Brown, Dustin L. Guinn, Forest A. Garb, Kent S. Siegel, Paul Oroian, William H. Avery, the Estate of Yehezkel Druckman, Lee Russell, Justin W. Furnace, Gene Scammahorn, Ralph F. DeVore, and Martin M. van Brauman. The suit alleges breach of fiduciary duty, unjust enrichment, violations of Section 14(a) of the Exchange Act and conspiracy to &amp;#8220;facilitate and disguise&amp;#8221; other alleged wrongdoings. The &amp;#8220;Relevant Period&amp;#8221; of alleged wrongdoing spans from February 13, 2018 and continues through the present. The suit seeks unspecified damages to be awarded to the Company, orders directing the Company and individual defendants to make certain corporate governance reforms, restitution, and fees and costs. On April 18, 2019, a Motion to Dismiss Plaintiffs&amp;#8217; Complaint was filed on behalf of all defendants pleading numerous grounds in support of their Motion to Dismiss.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On September 25, 2018, another lawsuit was filed in the 68&lt;sup&gt;th&lt;/sup&gt;&amp;#160;district court, Dallas County, Texas derivatively and purportedly on behalf of the Company against John M. Brown, Forrest A. Garb, Kent S. Siegel, Michael B. Croswell, Jr., Dustin L. Guinn, Victor G. Carrillo, Paul Oroian, William H. Avery, Justin W. Furnace, Gene Scammahorn, Martin M. van Brauman, and Lee R. Russell. This suit alleges claims for breaches of fiduciary duty and unjust enrichment against the individual defendants in connection with certain public statements made by the Company from March 12, 2018 to May 30, 2018, and the Company as a nominal defendant. On March 29, 2019, this lawsuit was voluntarily dismissed by Plaintiff without prejudice to its subsequent refiling.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On October 29, 2018, Zion received a shareholder request to inspect books and records pursuant to Section 220&amp;#160;of the Delaware General Corporation Law for the purpose of investigating potential corporate mismanagement and breaches of fiduciary duty in connection with public statements made by the Company from March 12, 2018 to May 30, 2018. &amp;#160;The Company responded to this request.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company disputes the above claims and has made an advanced deposit of $500,000 to defense counsel for the cost of defending the litigation. The Company carries insurance that is applicable to these claims. Because of the uncertainties of
 litigation, it is not feasible to predict or determine the outcome of these matters, to guarantee that there will be no liability, or to reasonably estimate any loss in excess of its coverage. However, the Company intends to pursue a vigorous defense to the claims.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;From time to time, the Company may also be subject to routine litigation, claims or disputes in the ordinary course of business. The Company defends itself vigorously in all such matters. However, we cannot predict the outcome or effect of any of the litigation or any other pending litigation or claims.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;C. Environmental&amp;#160;and Onshore Licensing Regulatory Matters&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company is engaged in oil and gas exploration and production and may become subject to certain liabilities as they relate to environmental cleanup of well sites or other environmental restoration procedures and other obligations as they relate to the drilling of oil and gas wells or the operation thereof. Various guidelines have been published in Israel by the State of Israel&amp;#8217;s Petroleum Commissioner and Energy and Environmental Ministries as it pertains to oil and gas activities. Mention of these older guidelines was included in previous Zion Oil &amp;amp; Gas filings.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On March 15, 2018, the Energy Ministry issued new guidelines regarding a uniform reporting manner by which the operator must submit to the Commissioner data and materials regarding lawful exploration and production activities. The guidelines detail the timeline, data, forms, format, media and materials (such as rock cuttings, cores, gas and oil samples)&amp;#160;that must be submitted for seismic and drilling activities.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company believes that these new regulations are likely to continue to increase the expenditures associated with obtaining new exploration rights and drilling new wells. The Company expects that an additional financial burden could occur as a result of requiring cash reserves that could otherwise be used for operational purposes. In addition, these new regulations are likely to continue to increase the time needed to obtain all of the necessary authorizations and approvals to drill and production test exploration wells.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify;
 color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;D. Bank Guarantees&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;As of March 31, 2019, the Company provided Israeli-required bank guarantees to various governmental bodies (approximately $1,009,000) and others (approximately $82,000) with respect to its drilling operation in an aggregate amount of approximately $1,091,000. The (cash) funds backing these guarantees and additional amounts added to support currency fluctuations as required by the bank are held in restricted interest-bearing accounts and are reported on the Company&amp;#8217;s balance sheets as fixed short-term bank deposits &amp;#8211; restricted, and fixed long-term bank deposits &amp;#8211; restricted.&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;E. Risks&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Market risk is a broad term for the risk of economic loss due to adverse changes in the fair value of a financial instrument. These changes may be the result of various factors, including interest rates, foreign exchange rates, commodity prices and/or equity prices. In the normal course of doing business, we are exposed to the risks associated with foreign currency exchange rates and changes in interest rates.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 29.7pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;Foreign Currency Exchange Rate Risks.&lt;/i&gt;&amp;#160;A portion of our expenses, primarily labor expenses and certain supplier contracts, are denominated in New Israeli Shekels (&amp;#8220;NIS&amp;#8221;). As a result, we have significant exposure to the risk of fluctuating exchange rates with the U.S. Dollar (&amp;#8220;USD&amp;#8221;), our primary reporting currency. During the period January 1, 2019 through March 31, 2019, the USD has fluctuated by approximately (3.1%) against the NIS (the USD has weakened relative to the NIS). By contrast, during the period January 1, 2018 through December 31, 2018, the USD fluctuated by approximately 8.1% against the NIS (the USD strengthened relative to the NIS). Continued weakening of the US dollar against the NIS will result in higher operating costs from NIS denominated expenses. To date, we have not hedged any of our currency exchange rate risks, but we may do so in the future.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font
 style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;i&gt;Interest Rate Risk.&lt;/i&gt;&amp;#160;Our exposure to market risk relates to our cash and investments. We maintain an investment portfolio of short term bank deposits and money market funds. The securities in our investment portfolio are not leveraged, and are, due to their very short-term nature, subject to minimal interest rate risk. We currently do not hedge interest rate exposure. Because of the short-term maturities of our investments, we do not believe that a change in market interest rates would have a significant negative impact on the value of our investment portfolio except for reduced income in a low interest rate environment. At March 31, 2019, we had cash, cash equivalents and short-term bank deposits, long term bank deposits, inclusive of restricted cash, of approximately $3,135,000. The weighted average annual interest rate related to our cash and cash equivalents for the three months ended March 31, 2019 was approximately 0.13%.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The primary objective of our investment activities is to preserve principal while at the same time maximizing yields without significantly increasing risk. To achieve this objective, we invest our excess cash in short-term bank deposits and money market funds that may invest in high quality debt instruments.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
<us-gaap:SubsequentEventsTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Note 9 - Subsequent Events&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;(i) Approximately $504,000 was collected through the Company&amp;#8217;s DSPP program during the period April 1 through 30, 2019.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;(ii) On May 1, 2019, options to purchase 100,000 shares of Common Stock were granted to one senior office at an exercise price of $0.01 per share. The options are exercisable through May 1, 2029. However, the vesting and exercisability of these options is subject to the following schedule: (a) 50,000 options vest on September 1, 2019 and (b) the remaining 50,000 options vest on January 1, 2020. The fair value of the options at the date of grant amounted to $55,000.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:SubsequentEventsTextBlock>
<us-gaap:EarningsPerSharePolicyTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;A. Net Gain (Loss) per Share Data&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Basic and diluted net (loss) gain per share of common stock, par value $0.01 per share (&amp;#8220;Common Stock&amp;#8221;), is presented in conformity with ASC 260-10 &amp;#8220;Earnings Per Share.&amp;#8221; Diluted net loss per share is the same as basic net loss per share, as the inclusion of 9,651,835 and 9,651,569 Common Stock equivalents in the three-month period ended March 31, 2019 and 2018 respectively, would be anti-dilutive.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:EarningsPerSharePolicyTextBlock>
<us-gaap:UseOfEstimates contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;B. Use of Estimates&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The preparation of the accompanying financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenues and expenses. Such estimates include the valuation of unproved oil and gas properties, deferred tax assets, asset retirement obligations and legal contingencies. These estimates and assumptions are based on management&amp;#8217;s best estimates and judgment. Management evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment, which management believes to be reasonable under the circumstances. The Company adjusts such estimates and assumptions when facts and circumstances dictate. Illiquid credit markets, volatile equity, foreign currency, and energy markets have combined to increase the uncertainty inherent in such estimates and assumptions. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates. Changes in those estimates resulting from continuing changes in the economic environment will be reflected in the financial statements in future periods.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:UseOfEstimates>
<us-gaap:OilAndGasPropertiesPolicyPolicyTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;C. Oil and Gas Properties and Impairment&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company follows the full-cost method of accounting for oil and gas properties. Accordingly, all costs associated with acquisition, exploration and development of oil and gas reserves, including directly related overhead costs, are capitalized.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;All capitalized costs of oil and gas properties, including the estimated future costs to develop proved reserves, are amortized on the unit-of-production method using estimates of proved reserves. Investments in unproved properties and major development projects are not amortized until proved reserves associated with the projects can be determined or until impairment occurs. If the results of an assessment indicate that the properties are impaired, the amount of the impairment is included in loss from continuing operations before income taxes, and the adjusted carrying amount of the proved properties is amortized on the unit-of-production method.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company&amp;#8217;s oil and gas property represents an investment in unproved properties. These costs are excluded from the amortized cost pool until proved reserves are found or until it is determined that the costs are impaired. All costs excluded are reviewed at least quarterly to determine if impairment has occurred. The amount of any impairment is charged to expense since a reserve base has not yet been established. Impairment requiring a charge to expense may be indicated through evaluation of drilling results, relinquishing drilling rights or other information.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;During the fourth quarter of 2018, the Company testing protocol was concluded at the Megiddo Jezreel #1 (&amp;#8220;MJ #1&amp;#8221;) well. The test results confirmed that the MJ #1 well did not contain hydrocarbons in commercial quantities in the zones tested. As a result of the above determination, in the year ended December 31, 2018, the Company recorded a non-cash impairment charge to its unproved oil and gas properties of $30,906,000 (see Note 4). During the first quarter of 2019, the Company recorded a post-impairment charge of approximately $163,000.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px;
 white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Currently, the Company has no economically recoverable reserves and no amortization base. The Company&amp;#8217;s unproved oil and gas properties consist of capitalized exploration costs of $6,900,000 and $6,714,000 as of March 31, 2019, and December 31, 2018, respectively.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:OilAndGasPropertiesPolicyPolicyTextBlock>
<us-gaap:FairValueMeasurementPolicyPolicyTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;D. Fair Value Measurements&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company follows Accounting Standards Codification (ASC) 820, &amp;#8220;Fair Value Measurements and Disclosures,&amp;#8221; as amended by Financial Accounting Standards Board (FASB) Financial Staff Position (FSP) No. 157 and related guidance. Those provisions relate to the Company&amp;#8217;s financial assets and liabilities carried at fair value and the fair value disclosures related to financial assets and liabilities. ASC 820 defines fair value, expands related disclosure requirements, and specifies a hierarchy of valuation techniques based on the nature of the inputs used to develop the fair value measures. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, assuming the transaction occurs in the principal or most advantageous market for that asset or liability.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;There are three levels of inputs to fair value measurements - Level 1, meaning the use of quoted prices for identical instruments in active markets; Level 2, meaning the use of quoted prices for similar instruments in active markets or quoted prices for identical or similar instruments in markets that are not active or are directly or indirectly observable; and Level 3, meaning the use of unobservable inputs.&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company uses Level 1 inputs for its fair value measurements whenever there is an active market, with actual quotes, market prices, and observable inputs on the measurement date. The Company uses Level 2 inputs for fair value measurements whenever there are quoted prices for similar securities in an active market or quoted prices for identical securities in an inactive market. The Company uses Level 3 inputs in the Binomial Model used for the valuation of the derivative liability.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:FairValueMeasurementPolicyPolicyTextBlock>
<us-gaap:DerivativesPolicyTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;E. Derivative Liabilities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;In accordance with ASC 815-40-25 and ASC 815-10-15 Derivatives and Hedging and ASC 480-10-25 Liabilities-Distinguishing Liabilities from Equity, the embedded derivatives&amp;#160;associated with the Convertible Bonds are accounted for as a liability during the term of the related Convertible Bonds (see Note 6).&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:DerivativesPolicyTextBlock>
<us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;F. Stock-Based Compensation&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ASC 718, &amp;#8220;Compensation &amp;#8211; Stock Compensation,&amp;#8221; prescribes accounting and reporting standards for all share-based payment transactions in which employee services are acquired. Transactions include incurring liabilities, or issuing or offering to issue shares, options, and other equity instruments such as employee stock ownership plans and stock appreciation rights. Share-based payments to employees, including grants of employee stock options, are recognized as compensation expense in the financial statements based on their fair values. That expense is recognized over the period during which an employee is required to provide services in exchange for the award, known as the requisite service period (usually the vesting period).&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company accounts for stock-based compensation issued to non-employees and consultants in accordance with the provisions of ASC 505-50, &amp;#8220;Equity &amp;#8211; Based Payments to Non-Employees.&amp;#8221; Measurement of share-based payment transactions with non-employees is based on the fair value of whichever is more reliably measurable: (a) the goods or services received; or (b) the equity instruments issued. The fair value of the share-based payment transaction is determined at the earlier of performance commitment date or performance completion date.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy>
<zn:RelatedPartiesPolicyTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;G. Related parties&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Parties are considered to be related to the Company if the parties, directly or indirectly, through one or more intermediaries, control, are controlled by, or are under common control with the Company. Related parties also include principal owners of the Company, its management, members of the immediate families of principal owners of the Company and its management and other parties with which the Company may deal if one party controls or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests. All transactions with related parties are recorded at fair value of the goods or services exchanged.&lt;/font&gt;&lt;/p&gt;&lt;/div&gt;</zn:RelatedPartiesPolicyTextBlock>
<us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 24pt; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;H. Recently Adopted Accounting Pronouncements&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;ASU 2016-02 and ASU 2018-01 &amp;#8211; Leases (Topic 842)&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;In February 2016, the Financial Accounting Standards Board (&amp;#8220;FASB&amp;#8221;) issued ASU 2016-02, Leases (Topic 842) (&amp;#8220;ASU 2016-02&amp;#8221;) in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under previous GAAP. ASU 2016-02 requires that a lessee should recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018 (including interim periods within those periods) using a modified retrospective approach and early adoption is permitted. Zion adopted ASU 2016-02 in the first quarter of 2019. Presently, Zion has operating leases for office space in Dallas, Texas and in Caesarea, Israel plus various leases for motor vehicles. These leases have been accounted for under ASU 2016-02 in 2019 by establishing a right-of-use asset and a corresponding current lease liability and non-current lease liability. Zion is not subject to any loan covenants and therefore, the increase in assets and liabilities does not have a material impact on its business.&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;In January 2018, the FASB issued ASU 2018-01, &amp;#8220;Land Easement Practical Expedient for Transition to &amp;#8220;Topic 842.&amp;#8221;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;The amendments in this Update provide an optional transition practical expedient to not evaluate under Topic 842 existing or expired land easements that were not previously accounted for as leases under Topic 840, Leases. An entity that elects this practical expedient should evaluate new or modified land easements under Topic 842 beginning at the date that the entity adopts Topic 842. An entity that does not elect this practical expedient should evaluate all existing or expired land easements in connection with the adoption of the new lease requirements in Topic 842 to assess whether they meet the definition of a lease. The Company does not have any land easements and believes that this ASU 2018-01 has no effect on the Company.&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;ASU 2016-15 and ASU 2016-08 &amp;#8211; Statement of Cash Flows (Topic 230)&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;In August 2016, the FASB issued AS 2016-15, &amp;#8220;Classification of Certain Cash Receipts and Cash Payments&amp;#8221;, which clarifies how certain cash receipts and cash payments are presented and classified in the statement of cash flows. The effective date for ASU 2016-15 is for fiscal years beginning after December 15, 2018, and interim periods within fiscal years beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of adopting ASU 2016-15 on our financial statements.&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px;
 letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230) (&amp;#8220;ASU 2016-18&amp;#8221;), which requires that restricted cash and restricted cash equivalents be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total cash amounts shown on the statement of cash flows. The effective date for ASU 2016-18 is for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. Early adoption is permitted.&amp;#160;&lt;font style="background-color: white;"&gt;We adopted ASU 2016-18 effective January 1, 2018. The adoption of ASU 2016-18 had no impact on our retained earnings, and no impact to our net income on an ongoing basis. Adoption of the new standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash, or restricted cash equivalents. The amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statements of cash flows. The amendments have been applied using a retrospective transition method to each period presented, as required. The period ended March 31, 2019 has been reclassified to reflect this change.&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&lt;/font&gt;ASU 2018-05 &amp;#8211; Income Taxes (Topic 740)&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;In March 2018, the FASB issued ASU 2018-05, &amp;#8220;Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118&amp;#8221;. This ASU expresses the view of the staff regarding application of Topic 740, Income Taxes, in the reporting period that includes December 22, 2017, the date on which the Tax Cuts and Jobs Act (H.R.1, An Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal Year 2018) was signed into law. The Company is currently evaluating the impact of adopting ASU 2018-05 on our financial statements.&amp;#160;&amp;#160;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', serif; margin: 0pt 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ASU 2016-09&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0.5in; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;In March 2016, the FASB issued ASU No. 2016-09, Compensation &amp;#8211; Stock Compensation, or ASU No. 2016-09. The areas for simplification in this Update involve several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. For public entities, the amendments in this Update are effective for annual periods beginning after December 15, 2016, and interim periods within those annual periods. Early adoption is permitted in any interim or annual period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. An entity that elects early adoption must adopt all of the amendments in the same period. Amendments related to the timing of when excess tax benefits are recognized, minimum statutory withholding requirements, forfeitures, and intrinsic value should be applied using a modified retrospective transition method by means of a cumulative-effect adjustment to equity as of the beginning of the period in which the guidance is adopted. Amendments related to the
 presentation of employee taxes paid on the statement of cash flows when an employer withholds shares to meet the minimum statutory withholding requirement should be applied retrospectively. Amendments requiring recognition of excess tax benefits and tax deficiencies in the income statement and the practical expedient for estimating expected term should be applied prospectively. An entity may elect to apply the amendments related to the presentation of excess tax benefits on the statement of cash flows using either a prospective transition method or a retrospective transition method. The Company believes that this ASU No. 2016-09 has no impact on our financial statements.&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; background-color: white; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;
&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;The Company does not believe that the adoption of any recently issued accounting pronouncements in 2019 had a significant impact on our financial position, results of operations, or cash flow, except for ASC Update No. 2015-03&amp;#8212;Interest&amp;#8212;Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the carrying value of the associated debt liability, consistent with the presentation of a debt discount. For public business entities, the amendments in this Update are effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. At March 31, 2019 and December 31, 2018, the Company reclassified $57,000 and $63,000, respectively, in deferred offering costs from an asset account and applied it to the outstanding debt balance (see Note 5).&lt;/font&gt;&lt;/p&gt;
&lt;/div&gt;</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
<us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;Number of&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;shares&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;Weighted Average&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;exercise price&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; font-size-adjust: none; font-stretch: normal;"&gt;Outstanding, December 31, 2018&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;4,788,443&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.37&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Changes during 2019 to:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times
 new
 roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Granted to employees, officers, directors and others *&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;25,000&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Expired/Cancelled/Forfeited&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(330,693&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.11&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Exercised&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;(52,500&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Outstanding, March 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;4,430,250&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.33&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Exercisable, March 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right;
 font-size-adjust: none; font-stretch: normal;"&gt;4,420,250&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.33&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 7pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 0.25in; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;*&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;The receipt of a stock option grant by the grantee recipient is a non-taxable event according to the Internal Revenue Service. The grantee who later chooses to exercise penny stock options must recognize the market value in income in the year of exercise.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock>
<us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; 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 none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;p style="margin-top: 0px; margin-bottom: 0px;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Weighted&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="margin-top: 0px; margin-bottom: 0px;"&gt;&lt;font style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;b&gt;average remaining contractual life (years)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; 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border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;0.01&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;0.01-4.15&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;4,420,250&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; 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font-size: 10pt;"&gt;1.32&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: justify; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; 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font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;73%-76&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;%&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Risk-free interest rates&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; white-space: nowrap; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; white-space: nowrap; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.46%-2.81&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;%&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Expected lives (in years)&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size:
 10pt;"&gt;10.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Weighted-average grant date fair value&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.36&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock>
<us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeeMember">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;For&amp;#160;the&amp;#160;three&amp;#160;months&amp;#160;ended&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;March 31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Weighted-average fair value of underlying stock at grant date&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.42&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.31&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Dividend yields&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#8212;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#8212;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Expected volatility&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;87&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;68%-70&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch:
 normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Risk-free interest rates&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.53&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.01%-2.25&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Expected lives (in years)&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;5.00&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.50-5.50&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Weighted-average grant date fair value&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.41&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1.69&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock>
<us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;For the three months ended March 31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$ thousands&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 753px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;&amp;#8212;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 736px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;297&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock>
<us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Period of Grant&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;US$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&lt;b&gt;Expiration Date&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 627px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAA Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 63px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 439px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;March&amp;#160;2013&amp;#160;&amp;#8211;&amp;#160;December&amp;#160;2014&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 48px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 62px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 47px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;2.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 31px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 235px; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;January&amp;#160;31,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAD Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td
 style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;January&amp;#160;2015&amp;#160;&amp;#8211;&amp;#160;March&amp;#160;2016&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;May&amp;#160;02,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAE Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;November&amp;#160;2016&amp;#160;&amp;#8211;&amp;#160;March&amp;#160;2017&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;May&amp;#160;01,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAF Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;May 2017&amp;#160;&amp;#8211;&amp;#160;July&amp;#160;2017&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;August 14,&amp;#160;2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAG Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;October&amp;#160;2017&amp;#160;&amp;#8211;&amp;#160;December&amp;#160;2017&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td
 style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;January&amp;#160;08,&amp;#160;2021&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAH Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;February 2018&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;5.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;April 2, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAI Warrants**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;April 2018 &amp;#8211; May 2018&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;3.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;June 29, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAJ Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;August 2018 &amp;#8211; September 2018&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;1.00&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times,
 serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;October 29, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: bottom; font-size-adjust: none; font-stretch: normal; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;ZNWAK Warrants&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;December 2018 &amp;#8211; January 2019&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;0.01&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;February 25, 2020&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 24px; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;*&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;Zion&amp;#8217;s ZNWAB Warrants expired on May 2, 2017 and its ZNWAC Warrants expired on May 2, 2018&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font: 10pt/normal 'times new roman', times, serif; vertical-align: top; font-size-adjust: none; font-stretch: normal;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;**&lt;/font&gt;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: justify; font-size-adjust: none; font-stretch: normal;"&gt;&lt;font style="font-family: 'times new roman', times, serif; font-size: 10pt;"&gt;On December 4, 2018, the Company extended the termination date of the Warrants by one (1) year.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock>
<us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PlanNameAxis_DividendReinvestmentAndStockPurchasePlanMember">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&lt;b&gt;Warrants&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Exercise Price&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&lt;b&gt;Warrant Termination Date&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Beg Balance, 12/31/18&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Warrants Issued&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Warrants Exercised&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Warrants Expired&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;" colspan="2"&gt;&lt;b&gt;Outstanding Balance, 3/31/19&lt;/b&gt;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="width: 254px;"&gt;ZNWAA&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;$&lt;/td&gt;&lt;td style="width: 143px; text-align: right;"&gt;2.00&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: center;"&gt;1/31/2020&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: right;"&gt;1,498,804&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: right;"&gt;0&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 144px; text-align: right;"&gt;0&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 145px; text-align: right;"&gt;0&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 15px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 148px; text-align: right;"&gt;1,498,804&lt;/td&gt;&lt;td style="width: 16px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAD&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;5/2/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;243,853&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;243,853&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td&gt;ZNWAE&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;5/2/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;2,144,510&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;2,144,510&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAF&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;8/14/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;359,610&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td
 style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;359,610&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td&gt;ZNWAG&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;1/8/2021&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;240,578&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;240,578&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAH&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;5.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;4/19/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;372,400&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;372,400&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td&gt;ZNWAI&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;3.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;6/29/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;640,735&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;640,735&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td&gt;ZNWAJ&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;1.00&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center;"&gt;10/29/2020&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;546,050&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;0&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;"&gt;546,050&lt;/td&gt;&lt;td style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;ZNWAK&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left;"&gt;$&lt;/td&gt;&lt;td style="text-align: right;"&gt;0.01&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 1.5pt;"&gt;2/25/2020&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;0&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;673,650&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;(157,605&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;0&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;"&gt;516,045&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 1.5pt;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="padding-bottom: 4pt;" colspan="3"&gt;Outstanding warrants&lt;/td&gt;&lt;td style="text-align: right;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: center; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right;
 border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;6,046,540&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;673,650&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;(157,605&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;0&lt;/td&gt;&lt;td style="text-align: left; padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 4pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double;"&gt;6,562,585&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock>
<us-gaap:ScheduleOfCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March&amp;#160;31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Excluded from amortization base:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Drilling costs, and other operational related costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,242&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,242&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized salary costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,625&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;1,579&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized interest costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal
 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;687&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;677&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Legal costs, license fees and other preparation costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,344&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,216&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Other costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;2&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;6,900&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;6,714&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&lt;/p&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"&gt;&amp;#160;&lt;/p&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch:
 normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&amp;#160;&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Excluded from amortization base:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Drilling costs, and other operational related costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;142&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Other costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;21&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width:
 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;163&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTextBlock>
<us-gaap:UnprovedPropertiesDisclosureTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$ thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Excluded from amortization base:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Drilling costs, and other operational related costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,466&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized salary costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;46&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;337&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Capitalized interest costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch:
 normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;10&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;86&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Legal costs, license fees and other preparation costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;128&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;278&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Other costs&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;2&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;72&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;186&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;4,239&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:UnprovedPropertiesDisclosureTextBlock>
<us-gaap:ConvertibleDebtTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1177.67px; text-align: left; text-indent: -10pt; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;10% Senior Convertible Bonds, on the day of issuance&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,470&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,470&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Unamortized Debt discount, net&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(900&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(993&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Bonds converted to shares&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch:
 normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(204&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;(203&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Offering cost, net&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;(57&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;(63&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;10% senior Convertible bonds &amp;#8211; Long Term Liability&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;2,309&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;2,211&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ConvertibleDebtTableTextBlock>
<us-gaap:ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="6"&gt;December 31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Level 3&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Total&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Level 3&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;Total&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 815px; font-size-adjust: none; font-stretch: normal;"&gt;Fair value of derivative liability&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align:
 right; font-size-adjust: none; font-stretch: normal;"&gt;723&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;723&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock>
<us-gaap:ScheduleOfDerivativeInstrumentsTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1379px; font-size-adjust: none; font-stretch: normal;"&gt;Derivative liability fair value at December 31, 2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;Loss on derivative liability&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;"&gt;378&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;Derivative liability fair value at March 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-size-adjust: none; font-stretch: normal;"&gt;723&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfDerivativeInstrumentsTextBlock>
<us-gaap:ScheduleOfAssumptionsUsedTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; orphans: 2; widows: 2; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1191px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Convertible Option Fair Value of approximately&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;723,000&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;345,000&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Annual Risk-free Rate&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.27&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.47&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Volatility&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;123.19&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;115.35&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-left: 10pt; font-size-adjust: none; font-stretch: normal;"&gt;Expected Term (years)&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.09&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;2.34&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust:
 none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Convertible Notes Face Value&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,265,700&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;3,266,700&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;Expected annual yield on Regular Notes&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;28.77&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;28.77&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;Price of the Underlying Stock&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.76&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-size-adjust: none; font-stretch: normal;"&gt;0.42&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-size-adjust: none; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfAssumptionsUsedTableTextBlock>
<zn:ScheduleOfOperatingLeaseAssetsAndLiabilitiesTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; widows: 1; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;" colspan="2"&gt;March 31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;" colspan="2"&gt;December&amp;#160;31,&lt;br /&gt;2018&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: center; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1177.67px; text-align: left; text-indent: -10pt; padding-left: 10pt; font-stretch: normal;"&gt;Operating lease assets&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 142px; text-align: right; font-stretch: normal;"&gt;730&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-stretch: normal;"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;Operating lease liabilities:&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;Current operating lease liabilities&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif;
 font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;210&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-stretch: normal;"&gt;Non-current operating lease liabilities&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;"&gt;564&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-stretch: normal;"&gt;Total operating lease liabilities&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-stretch: normal;"&gt;774&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-stretch: normal;"&gt;$&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</zn:ScheduleOfOperatingLeaseAssetsAndLiabilitiesTableTextBlock>
<zn:ScheduleOfWeightedAverageLeaseTermAndDiscountRateTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; widows: 1; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;" colspan="2"&gt;March&amp;#160;31,&lt;br /&gt;2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1379px; text-align: left; font-stretch: normal;"&gt;Weighted average remaining lease term (years)&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-stretch: normal;"&gt;3.8&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;Weighted average discount rate&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;6.0&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;%&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</zn:ScheduleOfWeightedAverageLeaseTermAndDiscountRateTableTextBlock>
<us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">&lt;div&gt;&lt;table style="font: 10pt/normal 'times new roman', times, serif; width: 1567px; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; border-collapse: collapse; widows: 1; font-size-adjust: none; font-stretch: normal; -webkit-text-stroke-width: 0px;" cellspacing="0" cellpadding="0"&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: center; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;" colspan="2"&gt;US$&lt;br /&gt;thousands&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;" colspan="2"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; width: 1379px; text-align: left; font-stretch: normal;"&gt;April 1, 2019 through December 31, 2019&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 16px; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 141px; text-align: right; font-stretch: normal;"&gt;271&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; width: 15px; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;2020&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;271&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;2021&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;156&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;2022&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;134&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;2023&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;112&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-stretch: normal;"&gt;Thereafter&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;"&gt;-&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;Total undiscounted future minimum lease payments&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; font-stretch: normal;"&gt;944&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: white;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-stretch: normal;"&gt;Less: portion representing imputed interest&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 1.5pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 1.5pt; border-bottom-style: solid;
 font-stretch: normal;"&gt;(170&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 1.5pt; font-stretch: normal;"&gt;)&lt;/td&gt;&lt;/tr&gt;&lt;tr style="vertical-align: bottom; background-color: #cceeff;"&gt;&lt;td style="font: 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-stretch: normal;"&gt;&amp;#160;Total undiscounted future minimum lease payments&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; padding-bottom: 4pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: right; border-bottom-color: black; border-bottom-width: 4pt; border-bottom-style: double; font-stretch: normal;"&gt;774&lt;/td&gt;&lt;td style="font: bold 10pt/normal 'times new roman', times, serif; text-align: left; padding-bottom: 4pt; font-stretch: normal;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;p style="font: 10pt/normal 'times new roman', times, serif; margin: 0px; color: #000000; text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; widows: 1; font-stretch: normal; -webkit-text-stroke-width: 0px;"&gt;&lt;/p&gt;&lt;/div&gt;</us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock>
<us-gaap:LandPurchaseOptionsDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">The Megiddo Jezreel #1 ("MJ #1") exploratory well was spud on June 5, 2017 and drilled to a total depth ("TD") of 5,060 meters (approximately 16,600 feet). Thereafter, the Company successfully cased and cemented the well while awaiting the approval of the testing protocol. The Ministry of Energy approved the well testing protocol on April 29, 2018.</us-gaap:LandPurchaseOptionsDescription>
<us-gaap:AreaOfLand contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_PropertyPlantAndEquipmentByTypeAxis_MegiddoJezreelLicenseMember" unitRef="acre" decimals="0">99000</us-gaap:AreaOfLand>
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<zn:InitialLengthLeaseTerm contextRef="Context_Custom_29_Nov_2013T00_00_00_TO_03_Dec_2013T00_00_00_PropertyPlantAndEquipmentByTypeAxis_MegiddoJezreelLicenseMember_RangeAxis_MinimumMember">P1Y</zn:InitialLengthLeaseTerm>
<zn:InitialLengthLeaseTerm contextRef="Context_Custom_29_Nov_2013T00_00_00_TO_03_Dec_2013T00_00_00_PropertyPlantAndEquipmentByTypeAxis_MegiddoJezreelLicenseMember_RangeAxis_MaximumMember">P7Y</zn:InitialLengthLeaseTerm>
<us-gaap:ImpairmentOfOilAndGasProperties contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" xsi:nil="true"/>
<us-gaap:ImpairmentOfOilAndGasProperties contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="0">30906000</us-gaap:ImpairmentOfOilAndGasProperties>
<us-gaap:ImpairmentOfOilAndGasProperties contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">163000</us-gaap:ImpairmentOfOilAndGasProperties>
<us-gaap:ImpairmentChargeOnReclassifiedAssets contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">163000</us-gaap:ImpairmentChargeOnReclassifiedAssets>
<us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="shares" decimals="INF">9651569</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
<us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="shares" decimals="INF">9651835</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
<us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" xsi:nil="true"/>
<us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">6714000</us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization>
<us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">6900000</us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization>
<us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" decimals="-3">163000</us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization>
<us-gaap:OtherAssetImpairmentCharges contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">163000</us-gaap:OtherAssetImpairmentCharges>
<us-gaap:DeferredCostsCurrent contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">63000</us-gaap:DeferredCostsCurrent>
<us-gaap:DeferredCostsCurrent contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">57000</us-gaap:DeferredCostsCurrent>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="shares" decimals="INF">4788443</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="shares" decimals="INF">4430250</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="shares" decimals="INF" id="Item_10">25000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="shares" decimals="INF">330693</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="shares" decimals="INF">4420250</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="USD_per_Share" decimals="2">1.37</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="USD_per_Share" decimals="2">1.33</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesOneMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwoMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThreeMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFourMember_AwardTypeAxis_VestedMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFiveMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSixMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSevenMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesEightMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesNineMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTenMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesElevenMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwelveMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirteenMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFourteenMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFifteenMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSixteenMember" unitRef="USD_per_Share" decimals="2">1.33</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
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<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesEighteenMember" unitRef="USD_per_Share" decimals="2">1.38</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesNineteenMember" unitRef="USD_per_Share" decimals="2">1.55</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyMember" unitRef="USD_per_Share" decimals="2">1.67</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyOneMember" unitRef="USD_per_Share" decimals="2">1.67</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyTwoMember" unitRef="USD_per_Share" decimals="1">1.7</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyThreeMember" unitRef="USD_per_Share" decimals="2">1.75</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyFourMember" unitRef="USD_per_Share" decimals="2">1.78</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyFiveMember" unitRef="USD_per_Share" decimals="2">1.87</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentySixMember" unitRef="USD_per_Share" decimals="2">1.95</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentySevenMember" unitRef="USD_per_Share" decimals="2">1.96</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyEightMember" unitRef="USD_per_Share" decimals="2">2.03</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyNineMember" unitRef="USD_per_Share" decimals="2">2.31</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirtyMember" unitRef="USD_per_Share" decimals="2">2.61</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirtyOneMember" unitRef="USD_per_Share" decimals="2">4.15</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
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<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSevenMember" unitRef="USD_per_Share" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesEightMember" unitRef="USD_per_Share" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesNineMember" unitRef="USD_per_Share" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTenMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
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<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyNineMember" unitRef="USD_per_Share" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirtyOneMember" unitRef="USD_per_Share" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember" unitRef="USD_per_Share" decimals="2">1.32</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
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<us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_EmployeeStockOptionMember" unitRef="USD_per_Share" decimals="2">1.33</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesOneMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwoMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThreeMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFourMember_AwardTypeAxis_VestedMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFiveMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSixMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSevenMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesEightMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesNineMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTenMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesElevenMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwelveMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirteenMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFourteenMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFifteenMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSixteenMember" unitRef="USD_per_Share" decimals="2">1.33</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSeventeenMember" unitRef="USD_per_Share" decimals="2">1.38</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesEighteenMember" unitRef="USD_per_Share" decimals="2">1.38</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesNineteenMember" unitRef="USD_per_Share" decimals="2">1.55</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyMember" unitRef="USD_per_Share" decimals="2">1.67</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyOneMember" unitRef="USD_per_Share" decimals="2">1.67</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyTwoMember" unitRef="USD_per_Share" decimals="1">1.7</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyThreeMember" unitRef="USD_per_Share" decimals="2">1.75</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyFourMember" unitRef="USD_per_Share" decimals="2">1.78</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyFiveMember" unitRef="USD_per_Share" decimals="2">1.87</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentySixMember" unitRef="USD_per_Share" decimals="2">1.95</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentySevenMember" unitRef="USD_per_Share" decimals="2">1.96</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyEightMember" unitRef="USD_per_Share" decimals="2">2.03</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyNineMember" unitRef="USD_per_Share" decimals="2">2.31</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirtyMember" unitRef="USD_per_Share" decimals="2">2.61</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirtyOneMember" unitRef="USD_per_Share" decimals="2">4.15</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
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<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesEightMember" unitRef="USD_per_Share" xsi:nil="true"/>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesNineMember" unitRef="USD_per_Share" xsi:nil="true"/>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTenMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
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<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyFiveMember" unitRef="USD_per_Share" xsi:nil="true"/>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentySixMember" unitRef="USD_per_Share" xsi:nil="true"/>
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<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyEightMember" unitRef="USD_per_Share" xsi:nil="true"/>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyNineMember" unitRef="USD_per_Share" xsi:nil="true"/>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirtyOneMember" unitRef="USD_per_Share" xsi:nil="true"/>
<zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember" unitRef="USD_per_Share" decimals="2">0.01</zn:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice>
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<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember" unitRef="USD_per_Share" decimals="2">4.15</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit>
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<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwoMember" unitRef="shares" decimals="INF">15000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThreeMember" unitRef="shares" decimals="INF">5000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFourMember_AwardTypeAxis_VestedMember" unitRef="shares" decimals="INF">10000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesFiveMember" unitRef="shares" decimals="INF">25000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSixMember" unitRef="shares" decimals="0">305000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesSevenMember" unitRef="shares" decimals="0">525000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesEightMember" unitRef="shares" decimals="0">10000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesNineMember" unitRef="shares" decimals="0">60000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
<us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTenMember" unitRef="shares" decimals="0">30000</us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions>
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<us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2 contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTwentyNineMember">P4Y9M3D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
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<us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2 contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_VestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesThirtyOneMember">P5Y3M4D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
<us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2 contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_NonVestedMember_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_RangesTenMember">P8Y9M0D</us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="USD_per_Share" decimals="2">3.37</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember" unitRef="USD_per_Share" decimals="2">2.31</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="USD_per_Share" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeeMember" unitRef="USD_per_Share" decimals="2">0.42</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="pure" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember" unitRef="pure" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="pure" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeeMember" unitRef="pure" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember_RangeAxis_MinimumMember" unitRef="pure" decimals="2">0.68</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember_RangeAxis_MaximumMember" unitRef="pure" decimals="2">0.70</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember_RangeAxis_MinimumMember" unitRef="pure" decimals="2">0.73</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember_RangeAxis_MaximumMember" unitRef="pure" decimals="2">0.76</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="pure" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeeMember" unitRef="pure" decimals="2">0.87</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember_RangeAxis_MinimumMember" unitRef="pure" decimals="4">0.0201</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember_RangeAxis_MaximumMember" unitRef="pure" decimals="4">0.0225</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember_RangeAxis_MinimumMember" unitRef="pure" decimals="4">0.0246</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember_RangeAxis_MaximumMember" unitRef="pure" decimals="4">0.0281</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="pure" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeeMember" unitRef="pure" decimals="4">0.0253</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate>
<us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember">P10Y0M0D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
<us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember_RangeAxis_MinimumMember">P3Y6M0D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
<us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeeMember_RangeAxis_MaximumMember">P5Y6M0D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
<us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeeMember">P5Y0M0D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="USD_per_Share" decimals="2">3.36</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_NonEmployeeMember" unitRef="USD_per_Share" xsi:nil="true"/>
<us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeeMember" unitRef="USD_per_Share" decimals="2">0.41</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue>
<us-gaap:ShareBasedCompensation contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_AwardTypeAxis_WarrantsAndOptionsMember_TitleOfIndividualAxis_EmployeesAndDirectorsMember" unitRef="USD" decimals="-3">943000</us-gaap:ShareBasedCompensation>
<us-gaap:ShareBasedCompensation contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_AwardTypeAxis_WarrantsAndOptionsMember_TitleOfIndividualAxis_NonEmployeeMember" unitRef="USD" decimals="-3">302000</us-gaap:ShareBasedCompensation>
<us-gaap:ShareBasedCompensation contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_TitleOfIndividualAxis_EmployeesAndNonEmployeesMember_AwardTypeAxis_WarrantsAndOptionsMember_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" decimals="-3">297000</us-gaap:ShareBasedCompensation>
<us-gaap:ShareBasedCompensation contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_WarrantsAndOptionsMember_TitleOfIndividualAxis_EmployeesAndDirectorsMember" unitRef="USD" decimals="-3">15000</us-gaap:ShareBasedCompensation>
<us-gaap:ShareBasedCompensation contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_AwardTypeAxis_WarrantsAndOptionsMember_TitleOfIndividualAxis_NonEmployeeMember" unitRef="USD" xsi:nil="true"/>
<us-gaap:ShareBasedCompensation contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EmployeesAndNonEmployeesMember_AwardTypeAxis_WarrantsAndOptionsMember_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" xsi:nil="true"/>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember">ZNWAA Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember" id="Item_15">ZNWAD Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember">ZNWAE Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwafMember" id="Item_17">ZNWAF Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwagMember">ZNWAG Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwahMember" id="Item_18">ZNWAH Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember" id="Item_19">ZNWAI Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember">ZNWAJ Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember">ZNWAK Warrants</us-gaap:ClassOfWarrantOrRightTitleOfSecurityWarrantsOrRightsOutstanding>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwahMember">2018-02-28</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ReportingDateAxis_BeginningDateMember_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember">2013-01-03</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember_ReportingDateAxis_BeginningDateMember">2015-01-01</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember_ReportingDateAxis_BeginningDateMember">2016-11-01</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwafMember_ReportingDateAxis_BeginningDateMember">2017-05-01</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwagMember_ReportingDateAxis_BeginningDateMember">2017-10-01</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember_ReportingDateAxis_BeginningDateMember">2018-04-01</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember_ReportingDateAxis_BeginningDateMember">2018-08-01</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember_ReportingDateAxis_BeginningDateMember">2018-12-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember_ReportingDateAxis_EndingDateMember">2014-12-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember_ReportingDateAxis_EndingDateMember">2016-03-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember_ReportingDateAxis_EndingDateMember">2017-03-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwafMember_ReportingDateAxis_EndingDateMember">2017-07-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwagMember_ReportingDateAxis_EndingDateMember">2017-12-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember_ReportingDateAxis_EndingDateMember">2018-05-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember_ReportingDateAxis_EndingDateMember">2018-09-30</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember_ReportingDateAxis_EndingDateMember">2019-01-31</us-gaap:ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_13_Jan_2015T00_00_00_TO_13_Jan_2015T00_00_00_FinancialInstrumentAxis_WarrantMember_TitleOfIndividualAxis_NewUnitProgramMember" unitRef="USD_per_Share" decimals="2">4.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember" unitRef="USD_per_Share" decimals="2">2.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember" unitRef="USD_per_Share" decimals="2">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember" unitRef="USD_per_Share" decimals="2">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwafMember" unitRef="USD_per_Share" decimals="2">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwagMember" unitRef="USD_per_Share" decimals="2">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwahMember" unitRef="USD_per_Share" decimals="2">5.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember" unitRef="USD_per_Share" decimals="2">3.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember" unitRef="USD_per_Share" decimals="2">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember" unitRef="USD_per_Share" decimals="2">0.01</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_FinancialInstrumentAxis_WarrantMember_TitleOfIndividualAxis_UnitOptionProgramMember" unitRef="USD_per_Share" decimals="2">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember" unitRef="USD_per_Share" decimals="2" id="Item_20">2.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember" unitRef="USD_per_Share" decimals="2" id="Item_22">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember" unitRef="USD_per_Share" decimals="2" id="Item_23">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwafMember" unitRef="USD_per_Share" decimals="2" id="Item_24">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwagMember" unitRef="USD_per_Share" decimals="2" id="Item_25">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwahMember" unitRef="USD_per_Share" decimals="2" id="Item_26">5.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember" unitRef="USD_per_Share" decimals="2" id="Item_27">3.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember" unitRef="USD_per_Share" decimals="2" id="Item_28">1.00</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember" unitRef="USD_per_Share" decimals="2" id="Item_29">0.01</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember" id="Item_30">2020-01-31</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember" id="Item_31">2020-05-02</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember" id="Item_32">2020-05-01</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwafMember" id="Item_33">2020-08-14</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwagMember" id="Item_34">2021-01-08</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwahMember" id="Item_35">2019-04-02</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember" id="Item_36">2020-06-29</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember" id="Item_37">2020-10-29</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_RelatedPartyTransactionsByRelatedPartyAxis_InvestorMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember" id="Item_38">2020-02-25</zn:ClassOfWarrantOrRightExpiryDateOfWarrantsOrRightExercisable>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember">2020-01-31</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember">2020-05-02</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember">2020-05-02</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwafMember">2020-08-14</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwagMember">2021-01-08</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwahMember">2020-04-19</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember">2020-06-29</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember">2020-10-29</zn:WarrantTerminationDate>
<zn:WarrantTerminationDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember">2020-02-25</zn:WarrantTerminationDate>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaaWarrantsMember" unitRef="shares" decimals="INF">1498804</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwadWarrantsMember" unitRef="shares" decimals="INF">243853</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaeWarrantsMember" unitRef="shares" decimals="INF">2144510</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwafMember" unitRef="shares" decimals="INF">359610</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwagMember" unitRef="shares" decimals="INF">240578</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwahMember" unitRef="shares" decimals="INF">372400</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwaiWarrantsMember" unitRef="shares" decimals="INF">640735</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember" unitRef="shares" decimals="INF">546050</us-gaap:ClassOfWarrantOrRightOutstanding>
<us-gaap:ClassOfWarrantOrRightOutstanding contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_TransactionTypeAxis_WarrantTransactionsMember_ClassOfWarrantOrRightAxis_ZnwakWarrantsMember" unitRef="shares" decimals="INF">0</us-gaap:ClassOfWarrantOrRightOutstanding>
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<zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_ConsultantMember_PlanNameAxis_StockOptionPlanTwentyElevenMember" unitRef="USD" decimals="0">222000</zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue>
<zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PlanNameAxis_StockOptionPlanTwentyElevenMember" unitRef="USD" decimals="0">62000</zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue>
<zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PlanNameAxis_NonEmployeeDirectorsStockOptionPlanMember" unitRef="USD" decimals="0">25000</zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue>
<zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_EightBoardMembersMember_PlanNameAxis_NonEmployeeDirectorsStockOptionPlanMember" unitRef="USD" decimals="0">428000</zn:ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue>
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<zn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_ConsultantMember_PlanNameAxis_StockOptionPlanTwentyElevenMember">The options vested upon grant. However, the exercisability of these options is according to the following schedule: (a) 27,500 options are exercisable on June 30, 2018 and (b) the remaining 27,500 options are exercisable on June 30, 2019.</zn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedDescription>
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<zn:UnitOptionDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PlanNameAxis_DividendReinvestmentAndStockPurchasePlanMember">On November 1, 2016, the Company launched a unit offering (the "Unit Program") under the Company's DSPP pursuant to which participants could purchase units comprised of seven shares of Common Stock and seven Common Stock purchase warrants, at a per unit purchase price of $10.</zn:UnitOptionDescription>
<zn:WarrantTerminationDateDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PlanNameAxis_DividendReinvestmentAndStockPurchasePlanMember">The warrants became exercisable on May 2, 2016 and, in the case of ZNWAB continued to be exercisable through May 2, 2017 (1 year) and, in the case of ZNWAC continued to be exercisable through May 2, 2018 for ZNWAC (2 years) and May 2, 2019 for ZNWAD (3 years), respectively, at a per share exercise price of $1.00.</zn:WarrantTerminationDateDescription>
<zn:WarrantTerminationDateDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_FinancialInstrumentAxis_WarrantMember_PlanNameAxis_DividendReinvestmentAndStockPurchasePlanMember">The ZNWAE warrants became exercisable on May 1, 2017 and continue to be exercisable through May 1, 2020 at a per share exercise price of $1.00. The warrant terms provide that if the Company's Common Stock trades above $5.00 per share at the closing price for 15 consecutive trading days at any time prior to the expiration date of the warrant, the Company may, in its sole discretion, accelerate the termination of the warrant upon providing 60 days advanced notice to the warrant holders.</zn:WarrantTerminationDateDescription>
<zn:WarrantTerminationDateDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ClassOfWarrantOrRightAxis_ZnwafMember_FinancialInstrumentAxis_WarrantMember">All ZNWAF warrants became exercisable on August 14, 2017 and continue to be exercisable through August 14, 2020 at a per share exercise price of $1.00. The warrant terms provide that if the Company's Common Stock trades above $5.00 per share as the closing price for 15 consecutive trading days at any time prior to the expiration date of the warrant, the Company has the sole discretion to accelerate the termination date of the warrant upon providing 60 days advanced notice to the warrant holders.</zn:WarrantTerminationDateDescription>
<zn:WarrantTerminationDateDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ClassOfWarrantOrRightAxis_ZnwagMember_TitleOfIndividualAxis_UnitOptionProgramMember">The warrants became exercisable on January 8, 2018 and continue to be exercisable through January 8, 2021 at a per share exercise price of $1.00. The warrant terms provide that if the Company's Common Stock trades above $5.00 per share as the closing price for 15 consecutive trading days at any time prior to the expiration date of the warrant, the Company has the sole discretion to accelerate the termination date of the warrant upon providing 60 days advanced notice to the warrant holders.</zn:WarrantTerminationDateDescription>
<zn:WarrantTerminationDateDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_UnitOptionProgramMember_ClassOfWarrantOrRightAxis_ZnwahMember">The warrants became exercisable on April 2, 2018 and continue to be exercisable through April 2, 2020 at a per share exercise price of $5.00.</zn:WarrantTerminationDateDescription>
<zn:WarrantTerminationDateDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_UnitOptionProgramMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember">The warrants became exercisable on October 29, 2018 and continue to be exercisable through October 29, 2020 at a per share exercise price of $1.00, after the Company, on December 4, 2018, extended the termination date of the Warrant by one (1) year from the expiration date of October 19, 2019 to October 29, 2020.</zn:WarrantTerminationDateDescription>
<us-gaap:SaleOfStockDescriptionOfTransaction contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_FinancialInstrumentAxis_WarrantMember_TitleOfIndividualAxis_NewUnitProgramMember">This New Unit Program enabled participants to purchase Units of the Company's securities where each Unit (priced at $250.00 each) was comprised of (i) the number of shares of Common Stock determined by dividing $250.00 (the price of one Unit) by the average of the high and low sale prices of the Company's Common Stock as reported on the NASDAQ on the unit purchase date and (ii) Common Stock purchase warrants to purchase an additional 25 shares of Common Stock at a warrant exercise price of $1.00 per share.</us-gaap:SaleOfStockDescriptionOfTransaction>
<us-gaap:SaleOfStockDescriptionOfTransaction contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_FinancialInstrumentAxis_WarrantMember_TitleOfIndividualAxis_UnitOptionProgramMember">This Unit Option Program enabled participants to purchase Units of the Company's securities where each Unit (priced at $250.00 each) was comprised of (i) a certain number of shares of Common Stock determined by dividing $250.00 (the price of one Unit) by the average of the high and low sale prices of the Company's Common Stock as reported on the NASDAQ on the unit purchase date and (ii) Common Stock purchase warrants to purchase an additional 15 shares of Common Stock at a warrant exercise price of $1.00 per share.</us-gaap:SaleOfStockDescriptionOfTransaction>
<us-gaap:SaleOfStockDescriptionOfTransaction contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ClassOfWarrantOrRightAxis_ZnwagMember_TitleOfIndividualAxis_UnitOptionProgramMember">The Unit Option consisted of Units of our securities where each Unit (priced at $250.00 each) was comprised of (i) 50 shares of Common Stock and (ii) Common Stock purchase warrants to purchase an additional 50 shares of Common Stock. The investor's Plan account was credited with the number of shares of the Company's Common Stock acquired under the Units purchased. Each warrant affords the investor the opportunity to purchase one share of Company Common Stock at a warrant exercise price of $5.00.</us-gaap:SaleOfStockDescriptionOfTransaction>
<us-gaap:SaleOfStockDescriptionOfTransaction contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_TitleOfIndividualAxis_UnitOptionProgramMember_ClassOfWarrantOrRightAxis_ZnwajWarrantsMember">The Unit Option consisted of Units of the Company's securities where each Unit (priced at $250.00 each) was comprised of (i) a certain number of shares of Common Stock determined by dividing $250.00 (the price of one Unit) by the average of the high and low sale prices of the Company's publicly traded common stock as reported on the NASDAQ on the Unit Purchase Date and (ii) Common Stock purchase warrants to purchase an additional twenty-five (25) shares of Common Stock. The investor's Plan account was credited with the number of shares of the Company's Common Stock acquired under the Units purchased. Each warrant affords the investor the opportunity to purchase one share of Company Common Stock at a warrant exercise price of $1.00.</us-gaap:SaleOfStockDescriptionOfTransaction>
<us-gaap:ProceedsFromIssuanceOrSaleOfEquity contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_FinancialInstrumentAxis_WarrantMember" unitRef="USD" decimals="0">2528000</us-gaap:ProceedsFromIssuanceOrSaleOfEquity>
<zn:SubscriptionRightsOffering contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">Each shareholder received .10 (one tenth) of a subscription right (i.e. one subscription right for each 10 shares owned) for each share of the Company's Common Stock owned on the Record Date.</zn:SubscriptionRightsOffering>
<zn:SubscriptionRightsOffering contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ClassOfWarrantOrRightAxis_SubscriptionRightsOfferingMember">On April 2, 2018 the Company announced an offering ("2018 Subscription Rights Offering") through American Stock Transfer &amp;amp; Trust Company, LLC (the "Subscription Agent"), at no cost to the shareholders, of non-transferable Subscription Rights to purchase Rights (each "Right" and collectively, the "Rights") of its securities to persons who owned shares of our Common Stock on April 13, 2018 ("the Record Date"). Pursuant to the 2018 Subscription Rights Offering, each holder of shares of common stock on the Record Date received non-transferable rights to subscribe for Rights, with each Right comprised of one share of the Company Common Stock, par value $0.01 per share (the "Common Stock") and one Common Stock Purchase Warrant to purchase an additional one share of Common Stock. Each Right may be purchased at a per Right subscription price of $5.00. Each Warrant affords the investor the opportunity to purchase one share of the Company Common Stock at a warrant exercise price of $3.00. The warrants will become exercisable on June 29, 2018 and will continue to be exercisable for one year thereafter. The warrant has the symbol "ZNWAI."</zn:SubscriptionRightsOffering>
<us-gaap:ProceedsFromIssuanceInitialPublicOffering contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ClassOfWarrantOrRightAxis_SubscriptionRightsOfferingMember" unitRef="USD" decimals="0">3038000</us-gaap:ProceedsFromIssuanceInitialPublicOffering>
<zn:ExpensesFromRightsOffering contextRef="Context_Custom_24_Apr_2016T00_00_00_TO_02_May_2016T00_00_00_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD" decimals="0">136000</zn:ExpensesFromRightsOffering>
<zn:ExpensesFromRightsOffering contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_ClassOfWarrantOrRightAxis_SubscriptionRightsOfferingMember" unitRef="USD" decimals="0">243000</zn:ExpensesFromRightsOffering>
<zn:OperationalCosts contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" xsi:nil="true"/>
<zn:OperationalCosts contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">1242000</zn:OperationalCosts>
<zn:OperationalCosts contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">1242000</zn:OperationalCosts>
<zn:OperationalCosts contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" decimals="-3">142000</zn:OperationalCosts>
<zn:CapitalizedSalaryCostsUnprovedProperties contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">1579000</zn:CapitalizedSalaryCostsUnprovedProperties>
<zn:CapitalizedSalaryCostsUnprovedProperties contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">1625000</zn:CapitalizedSalaryCostsUnprovedProperties>
<us-gaap:InterestCostsCapitalized contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">677000</us-gaap:InterestCostsCapitalized>
<us-gaap:InterestCostsCapitalized contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">687000</us-gaap:InterestCostsCapitalized>
<zn:LegalCostsLicenseFeesAndPreparationCosts contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">3216000</zn:LegalCostsLicenseFeesAndPreparationCosts>
<zn:LegalCostsLicenseFeesAndPreparationCosts contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">3344000</zn:LegalCostsLicenseFeesAndPreparationCosts>
<zn:OtherUtilityCost contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" xsi:nil="true"/>
<zn:OtherUtilityCost contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" xsi:nil="true"/>
<zn:OtherUtilityCost contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">2000</zn:OtherUtilityCost>
<zn:OtherUtilityCost contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_PropertyPlantAndEquipmentByTypeAxis_OilAndGasPropertiesMember" unitRef="USD" decimals="-3">21000</zn:OtherUtilityCost>
<zn:ChangesInDrillingCostsAndOtherOperationalRelatedCosts contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">3466000</zn:ChangesInDrillingCostsAndOtherOperationalRelatedCosts>
<zn:ChangesInDrillingCostsAndOtherOperationalRelatedCosts contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" xsi:nil="true"/>
<zn:ChangesInCapitalizedSalaryCostsUnprovedProperties contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">337000</zn:ChangesInCapitalizedSalaryCostsUnprovedProperties>
<zn:ChangesInCapitalizedSalaryCostsUnprovedProperties contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">46000</zn:ChangesInCapitalizedSalaryCostsUnprovedProperties>
<zn:IncreaseDecreaseInInterestCostsCapitalized contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">86000</zn:IncreaseDecreaseInInterestCostsCapitalized>
<zn:IncreaseDecreaseInInterestCostsCapitalized contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">10000</zn:IncreaseDecreaseInInterestCostsCapitalized>
<zn:IncreaseDecreaseInLegalCostsLicenseFeesAndPreparationCosts contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">278000</zn:IncreaseDecreaseInLegalCostsLicenseFeesAndPreparationCosts>
<zn:IncreaseDecreaseInLegalCostsLicenseFeesAndPreparationCosts contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">128000</zn:IncreaseDecreaseInLegalCostsLicenseFeesAndPreparationCosts>
<zn:IncreaseDecreaseInOtherUtilityCosts contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">72000</zn:IncreaseDecreaseInOtherUtilityCosts>
<zn:IncreaseDecreaseInOtherUtilityCosts contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">2000</zn:IncreaseDecreaseInOtherUtilityCosts>
<zn:IncreaseDecreaseInCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationPeriodCost contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="-3">4239000</zn:IncreaseDecreaseInCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationPeriodCost>
<zn:IncreaseDecreaseInCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationPeriodCost contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">186000</zn:IncreaseDecreaseInCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationPeriodCost>
<zn:UnprovedOilAndGasPropertiesUnpaidAmount contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">587000</zn:UnprovedOilAndGasPropertiesUnpaidAmount>
<us-gaap:ConvertibleDebt contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">3470000</us-gaap:ConvertibleDebt>
<us-gaap:ConvertibleDebt contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">3470000</us-gaap:ConvertibleDebt>
<us-gaap:ConvertibleDebt contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember" unitRef="USD" decimals="0">1844000</us-gaap:ConvertibleDebt>
<us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">-993000</us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet>
<us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">-900000</us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet>
<us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember" unitRef="USD" decimals="0">93000</us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet>
<zn:BondsConvertedToShares contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">-203000</zn:BondsConvertedToShares>
<zn:BondsConvertedToShares contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">-204000</zn:BondsConvertedToShares>
<us-gaap:DebtInstrumentMaturityDate contextRef="Context_Custom_18_Oct_2015T00_00_00_TO_21_Oct_2015T00_00_00_SubsidiarySaleOfStockAxis_IPOMember">2021-05-02</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:DebtInstrumentMaturityDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember">2021-05-02</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:DebtInstrumentMaturityDate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_SubsidiarySaleOfStockAxis_IPOMember">2021-05-02</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:DebtInstrumentPaymentTerms contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember">Payable annually in arrears on May 2 of each year, commencing May 2, 2017.</us-gaap:DebtInstrumentPaymentTerms>
<us-gaap:DebtInstrumentPaymentTerms contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_SubsidiarySaleOfStockAxis_IPOMember">The number of shares for the payment of interest in shares of Common Stock, in lieu of the cash amount, will be based on the average of the closing prices of the Company's Common Stock as reported by Bloomberg L.P. for the 30 trading days preceding the record date for the payment of interest; such record date has been designated and will always be the 10th business day prior to the interest payment date on May 2 of each year. The number of shares for the payment of principal, in lieu of the cash amount, shall be based upon the average of the closing price of the Company's Common Stock as reported by Bloomberg L.P. for the 30 trading days preceding the principal repayment date; such record date has been designated as the trading day immediately prior to the 30-day period preceding the maturity date of May 2, 2021.</us-gaap:DebtInstrumentPaymentTerms>
<us-gaap:DebtInstrumentPaymentTerms contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember">The interest was paid-in-kind ("PIK") in the form of Common Stock. An average of the Company stock price of $4.68 was determined based on the 30 trading days prior to the record date of April 18, 2018. This figure was used to divide into 10% of the par value of the bonds held by the holders.</us-gaap:DebtInstrumentPaymentTerms>
<us-gaap:DebtInstrumentRedemptionDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_SubsidiarySaleOfStockAxis_IPOMember">The Company was entitled to redeem for cash the outstanding Notes at an amount equal to the principal and accrued and unpaid interest, plus a 10% premium.</us-gaap:DebtInstrumentRedemptionDescription>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 contextRef="Context_As_Of_21_Oct_2015T00_00_00_TO_21_Oct_2015T00_00_00_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD_per_Share" decimals="0">100</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD_per_Share" decimals="2">2.27</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentInterestRateStatedPercentage contextRef="Context_As_Of_21_Oct_2015T00_00_00_TO_21_Oct_2015T00_00_00_SubsidiarySaleOfStockAxis_IPOMember" unitRef="pure" decimals="2">0.10</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtInstrumentInterestRateStatedPercentage contextRef="Context_As_Of_02_May_2018T00_00_00_TO_02_May_2018T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember" unitRef="pure" decimals="2">0.10</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtInstrumentInterestRateStatedPercentage contextRef="Context_As_Of_02_May_2018T00_00_00_TO_02_May_2018T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="pure" decimals="2">0.10</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtInstrumentInterestRateStatedPercentage contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember" unitRef="pure" decimals="2">0.10</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtConversionDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_SubsidiarySaleOfStockAxis_IPOMember">Under the rights offering, the Company distributed at no cost, 360,000 non-transferable subscription rights to subscribe for, on a per right basis, two 10% Convertible Senior Bonds par $100 due May 2, 2021 (the "Notes"), to shareholders of the Company's Common Stock on October 15, 2015, the record date for the offering. Each whole subscription right entitled the participant to purchase two convertible bonds at a purchase price of $100 per bond.</us-gaap:DebtConversionDescription>
<us-gaap:DebtConversionDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember">At any time prior to the close of business on the business day immediately preceding April 2, 2021, holders may convert their notes into Common Stock at the conversion rate of 44 shares per $100 bond (which is equivalent to a conversion rate of approximately $2.27 per share).</us-gaap:DebtConversionDescription>
<us-gaap:AmortizationOfFinancingCosts contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember" unitRef="USD" decimals="0">6000</us-gaap:AmortizationOfFinancingCosts>
<us-gaap:InterestExpense contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00" unitRef="USD" decimals="0">0</us-gaap:InterestExpense>
<us-gaap:InterestExpense contextRef="Context_3ME_01_Jan_2018T00_00_00_TO_31_Mar_2018T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD" decimals="0">86000</us-gaap:InterestExpense>
<us-gaap:InterestExpense contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">71000</us-gaap:InterestExpense>
<us-gaap:InterestExpense contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD" decimals="0">10000</us-gaap:InterestExpense>
<us-gaap:DebtInstrumentFaceAmount contextRef="Context_As_Of_02_May_2016T00_00_00_TO_02_May_2016T00_00_00_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD" decimals="0">3470000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentFaceAmount contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="0">3266700</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentFaceAmount contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">3265700</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentFaceAmount contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember" unitRef="USD" decimals="0">3470000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="Bonds" decimals="INF">10</us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments>
<zn:ConvertibleBondsAmount contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD" decimals="0">100</zn:ConvertibleBondsAmount>
<us-gaap:ConversionOfStockSharesConverted1 contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="shares" decimals="INF">440</us-gaap:ConversionOfStockSharesConverted1>
<zn:FinancialExpenses contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember_DebtInstrumentAxis_DebtIssueMember_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD" decimals="0">-1000</zn:FinancialExpenses>
<us-gaap:ConversionOfStockAmountConverted1 contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00_LongtermDebtTypeAxis_ConvertibleDebtMember" unitRef="USD" decimals="0">1000</us-gaap:ConversionOfStockAmountConverted1>
<us-gaap:SaleOfStockPricePerShare contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD_per_Share" decimals="3">0.774</us-gaap:SaleOfStockPricePerShare>
<us-gaap:StockIssuedDuringPeriodSharesOther contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="shares" decimals="INF">422248</us-gaap:StockIssuedDuringPeriodSharesOther>
<us-gaap:ProceedsFromIssuanceOfUnsecuredDebt contextRef="Context_Custom_24_Apr_2016T00_00_00_TO_02_May_2016T00_00_00_SubsidiarySaleOfStockAxis_IPOMember" unitRef="USD" decimals="0">3334000</us-gaap:ProceedsFromIssuanceOfUnsecuredDebt>
<zn:DebtDiscountOnDerivativeLiability contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">1626000</zn:DebtDiscountOnDerivativeLiability>
<us-gaap:DerivativeFairValueOfDerivativeLiability contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="-3">345000</us-gaap:DerivativeFairValueOfDerivativeLiability>
<us-gaap:DerivativeFairValueOfDerivativeLiability contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00_FairValueByFairValueHierarchyLevelAxis_FairValueInputsLevel3Member" unitRef="USD" decimals="-3">345000</us-gaap:DerivativeFairValueOfDerivativeLiability>
<us-gaap:DerivativeFairValueOfDerivativeLiability contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">723000</us-gaap:DerivativeFairValueOfDerivativeLiability>
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<us-gaap:DerivativeGainOnDerivative contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">378000</us-gaap:DerivativeGainOnDerivative>
<us-gaap:ConvertibleDebtFairValueDisclosures contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD" decimals="0">345000</us-gaap:ConvertibleDebtFairValueDisclosures>
<us-gaap:ConvertibleDebtFairValueDisclosures contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">723000</us-gaap:ConvertibleDebtFairValueDisclosures>
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<zn:FairValueAssumptionExpectedTerm contextRef="Context_FYE_01_Jan_2018T00_00_00_TO_31_Dec_2018T00_00_00">P2Y4M2D</zn:FairValueAssumptionExpectedTerm>
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<zn:FairValueAssumptionsExpectedYieldRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="pure" decimals="4">0.2877</zn:FairValueAssumptionsExpectedYieldRate>
<zn:FairValueAssumptionExercisePrice contextRef="Context_As_Of_31_Dec_2018T00_00_00_TO_31_Dec_2018T00_00_00" unitRef="USD_per_Share" decimals="2">0.42</zn:FairValueAssumptionExercisePrice>
<zn:FairValueAssumptionExercisePrice contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD_per_Share" decimals="2">0.76</zn:FairValueAssumptionExercisePrice>
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<us-gaap:OperatingLeaseLiabilityNoncurrent contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">564000</us-gaap:OperatingLeaseLiabilityNoncurrent>
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<us-gaap:OperatingLeaseLiability contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">774000</us-gaap:OperatingLeaseLiability>
<us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1 contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00">P3Y9M18D</us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1>
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<us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="-3">170000</us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount>
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<us-gaap:OperatingLeasePayments contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">71000</us-gaap:OperatingLeasePayments>
<us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">824000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
<zn:BankGuaranteesToGovernment contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">1009000</zn:BankGuaranteesToGovernment>
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<us-gaap:GuaranteeObligationsCurrentCarryingValue contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">1091000</us-gaap:GuaranteeObligationsCurrentCarryingValue>
<us-gaap:LossContingencyAccrualAtCarryingValue contextRef="Context_As_Of_31_Mar_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="USD" decimals="0">500000</us-gaap:LossContingencyAccrualAtCarryingValue>
<zn:CashAndCashEquivalentsWeightedAverageInterestRate contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00" unitRef="pure" decimals="4">0.0013</zn:CashAndCashEquivalentsWeightedAverageInterestRate>
<us-gaap:ForeignCurrencyTransactionsDescription contextRef="Context_3ME_01_Jan_2019T00_00_00_TO_31_Mar_2019T00_00_00">During the period January 1, 2019 through March 31, 2019, the USD has fluctuated by approximately (3.1%) against the NIS (the USD has weakened relative to the NIS). By contrast, during the period January 1, 2018 through December 31, 2018, the USD fluctuated by approximately 8.1% against the NIS (the USD strengthened relative to the NIS). Continued weakening of the US dollar against the NIS will result in higher operating costs from NIS denominated expenses. To date, we have not hedged any of our currency exchange rate risks, but we may do so in the future.</us-gaap:ForeignCurrencyTransactionsDescription>
<us-gaap:ProceedsFromStockPlans contextRef="Context_Custom_03_Apr_2019T00_00_00_TO_30_Apr_2019T00_00_00_SubsequentEventTypeAxis_SubsequentEventMember" unitRef="USD" decimals="0">504000</us-gaap:ProceedsFromStockPlans>
<us-gaap:SubsequentEventDescription contextRef="Context_Custom_25_Apr_2019T00_00_00_TO_01_May_2019T00_00_00_SubsequentEventTypeAxis_SubsequentEventMember">Options to purchase 100,000 shares of Common Stock were granted to one senior office at an exercise price of $0.01 per share. The options are exercisable through May 1, 2029. However, the vesting and exercisability of these options is subject to the following schedule: (a) 50,000 options vest on September 1, 2019 and (b) the remaining 50,000 options vest on January 1, 2020. The fair value of the options at the date of grant amounted to $55,000.</us-gaap:SubsequentEventDescription>

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<link:footnote xlink:type="resource" xlink:label="Footnote_2" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Less than one thousand.</link:footnote>
<link:footnote xlink:type="resource" xlink:label="Footnote_9" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Less than one thousand</link:footnote>
<link:footnote xlink:type="resource" xlink:label="Footnote_11" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">The receipt of a stock option grant by the grantee recipient is a non-taxable event according to the Internal Revenue Service. The grantee who later chooses to exercise penny stock options must recognize the market value in income in the year of exercise.</link:footnote>
<link:footnote xlink:type="resource" xlink:label="Footnote_14" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">27,500 are exercisable on June 30, 2019.</link:footnote>
<link:footnote xlink:type="resource" xlink:label="Footnote_16" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">On December 4, 2018, the Company extended the termination date of the Warrants by one (1) year.</link:footnote>
<link:footnote xlink:type="resource" xlink:label="Footnote_21" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Zion's ZNWAB Warrants expired on May 2, 2017 and its ZNWAC Warrants expired on May 2, 2018</link:footnote>
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