<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>109 - Disclosure - Notes Payable</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>P01_01_2013To06_30_2013</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0001099509</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-01-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="6 Months Ended" /><Label Key="Calendar" Id="1" Label="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>us-gaap_DebtDisclosureAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Debt Disclosure [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_DebtDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>verboseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="P01_01_2013To06_30_2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>              &lt;table border="0" style="clear:both;width:100%; table-layout:fixed;"&gt;  &lt;tr&gt;  &lt;td&gt;&lt;/td&gt;  &lt;/tr&gt;  &lt;/table&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "&gt;  &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &lt;strong&gt;Note 3. Notes Payable&lt;/strong&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  The following table reflects our third party debt activity,  including our convertible debt, for the six months ended June 30,  2013:&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN:center; TEXT-INDENT: 0in; WIDTH: 100%"   align="center"&gt;  &lt;table style="clear:both;BORDER-BOTTOM: #9eb6ce 0px solid; BORDER-LEFT: #9eb6ce 0px solid; MARGIN: 0px:auto; WIDTH: 70%; BORDER-COLLAPSE: collapse; OVERFLOW: visible; BORDER-TOP: #9eb6ce 0px solid; BORDER-RIGHT: #9eb6ce 0px solid"   cellspacing="0" cellpadding="0" align="center"&gt;  &lt;tr style="HEIGHT: 12px"&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="55%"&gt;  &lt;div&gt;December 31, 2012&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;$&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: right; FONT-STYLE: normal; PADDING-RIGHT: 5px; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="12%"&gt;  &lt;div&gt;3,705,678&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;/tr&gt;    &lt;tr style="HEIGHT: 12px"&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="55%"&gt;  &lt;div&gt;Repayments of third party notes&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: right; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="12%"&gt;  &lt;div&gt;(1,448,558)&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;/tr&gt;    &lt;tr style="HEIGHT: 12px"&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="55%"&gt;  &lt;div&gt;Borrowings from third parties&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; FONT-STYLE: normal; PADDING-RIGHT: 5px; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="12%"&gt;  &lt;div&gt;1,834,150&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ccffcc; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;/tr&gt;    &lt;tr style="HEIGHT: 12px"&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="55%"&gt;  &lt;div&gt;June 30, 2013&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; BORDER-TOP: #000000 1px solid; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;$&lt;/div&gt;  &lt;/td&gt;  &lt;td style="BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: right; FONT-STYLE: normal; PADDING-RIGHT: 5px; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; COLOR: #000000; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; BORDER-TOP: #000000 1px solid; FONT-WEIGHT: 400"   width="12%"&gt;  &lt;div&gt;4,091,270&lt;/div&gt;  &lt;/td&gt;  &lt;td style="TEXT-ALIGN: left; FONT-STYLE: normal; FONT-FAMILY: Times New Roman; BACKGROUND: #ffffff; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; FONT-WEIGHT: 400"   width="1%"&gt;  &lt;div&gt;&amp;#160;&lt;/div&gt;  &lt;/td&gt;  &lt;/tr&gt;  &lt;/table&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;/div&gt;  &lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  On January 9, 2013, NOW Solutions completed a financing transaction  in the aggregate amount of $&lt;font style=" FONT-SIZE: 10pt"&gt;1,759,150&lt;/font&gt;, which amount was utilized to  pay off existing indebtedness of the Company and NOW Solutions to  Tara Financial Services and Robert Farias, an employee of the  Company and all security interests granted to Tara Financial  Services and Robert Farias were cancelled.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  In connection with this financing, the Company and several of its  subsidiaries entered into a loan agreement (the &amp;#8220;Loan  Agreement&amp;#8221;), dated as of January 9, 2013 with Lakeshore  Investment, LLC (&amp;#8220;Lakeshore&amp;#8221;) under which NOW Solutions  issued a secured&lt;font style=" "&gt;10-year&lt;/font&gt; promissory note (the  &amp;#8220;Lakeshore Note&amp;#8221;) bearing interest at &lt;font style=" FONT-SIZE: 10pt"&gt;11&lt;/font&gt;% per annum to Lakeshore in the amount  of $&lt;font style=" FONT-SIZE: 10pt"&gt;1,759,150&lt;/font&gt; payable in  equal monthly installments of $&lt;font style=" FONT-SIZE: 10pt"&gt;24,232&lt;/font&gt; until January 31, 2022. The  Lakeshore Note contains provisions requiring additional principal  reductions in the event sales by NOW Solutions exceed certain  financial thresholds. The Loan Agreement contains provisions  requiring certain additional principal prepayments toward the  Lakeshore Note by the Company from any litigation or settlement  proceeds regarding its SiteFlash technology less any attorney fees  and direct costs (&amp;#8220;Net Claim Proceeds&amp;#8221;) and a &lt;font  style=" FONT-SIZE: 10pt"&gt;5&lt;/font&gt;% interest due to Lakeshore (as  described below) and a &lt;font style=" FONT-SIZE: 10pt"&gt;2&lt;/font&gt;%  interest due to the inventor of SiteFlash.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  Pursuant to the Loan Agreement, as amended, the Company also agreed  to make certain principal payments toward the Lakeshore Note of (a)  $&lt;font style=" FONT-SIZE: 10pt"&gt;90,000&lt;/font&gt; by February 15, 2013,  which was secured by &lt;font style=" FONT-SIZE: 10pt"&gt;15&lt;/font&gt;%  interest in the Company&amp;#8217;s ownership of Priority Time and this  payment was timely made to Lakeshore and (b) $&lt;font style=" FONT-SIZE: 10pt"&gt;600,000&lt;/font&gt; by March 15, 2013, which was  secured by &lt;font style=" FONT-SIZE: 10pt"&gt;25&lt;/font&gt;% of the  Company&amp;#8217;s ownership interest in NOW Solutions and this  payment was not made to Lakeshore.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  The Lakeshore Note is secured by the assets of the Company&amp;#8217;s  subsidiaries, NOW Solutions, Priority Time, SnAPPnet, Inc.  (&amp;#8220;SnAPPnet&amp;#8221;) and the Company&amp;#8217;s SiteFlash  technology and cross-collateralized. Upon the aggregate principal  payment of $&lt;font style=" FONT-SIZE: 10pt"&gt;290,000&lt;/font&gt; toward  the Lakeshore Note, the Company has the option to have Lakeshore  release either the Priority Time collateral or the SiteFlash  collateral. Upon payment of the aggregate principal $&lt;font style=" FONT-SIZE: 10pt"&gt;590,000&lt;/font&gt; toward the Lakeshore Note,  Lakeshore shall release either the Priority Time collateral or the  SiteFlash collateral (whichever is remaining). Upon payment of the  aggregate principal $&lt;font style=" FONT-SIZE: 10pt"&gt;890,000&lt;/font&gt;  toward the Lakeshore Note, Lakeshore shall release the SnAPPnet  collateral and upon full payment of the Lakeshore Note, Lakeshore  shall release the NOW Solutions collateral.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  As additional consideration for the loan, the Company granted a  &lt;font style=" FONT-SIZE: 10pt"&gt;5&lt;/font&gt;% interest in Net Claim  Proceeds (less any attorney&amp;#8217;s fees and direct costs) from any  litigation or settlement proceeds related to the SiteFlash  technology to Lakeshore. In addition, until the Note is paid in  full, NOW Solutions agreed to pay a Lakeshore royalty of &lt;font  style=" FONT-SIZE: 10pt"&gt;6&lt;/font&gt;% of its annual gross revenues in  excess of $&lt;font style=" FONT-SIZE: 10pt"&gt;5&lt;/font&gt; million dollars  up to a maximum of $1,759,150. &lt;font style="COLOR: black"&gt;  Management estimated the fair value of the royalty to be  nominal.&lt;/font&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  During the second quarter of 2013, the company borrowed $&lt;font  style=" FONT-SIZE: 10pt"&gt;45,000&lt;/font&gt; and $&lt;font style=" FONT-SIZE: 10pt"&gt;30,000&lt;/font&gt; from a third party lender. The  notes are unsecured,&amp;#160;bear interest at &lt;font style=" FONT-SIZE: 10pt"&gt;11&lt;/font&gt;% per annum and are due on  demand.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  During the six months ended June 30, 2013 and 2012, the Company  made interest payments of $&lt;font style=" FONT-SIZE: 10pt"&gt;169,018&lt;/font&gt; and $&lt;font style=" FONT-SIZE: 10pt"&gt;157,270&lt;/font&gt;, respectively.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  For subsequent events involving the Loan Agreement with Lakeshore  and additional financing, please see &amp;#8220;Subsequent  Events&amp;#8221; in Note 9.&lt;/div&gt;  &lt;/div&gt;        </NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 505

 -SubTopic 10

 -Section 50

 -Paragraph 3

 -URI http://asc.fasb.org/extlink&amp;oid=6928386&amp;loc=d3e21475-112644



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 02

 -Paragraph 19, 20, 22

 -Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 210

 -SubTopic 10

 -Section S99

 -Paragraph 1

 -Subparagraph (SX 210.5-02.19,20,22)

 -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682



</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Debt Disclosure [Text Block]</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>Notes Payable</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Notes</ReportType><RoleURI>http://www.vcsy.com/role/NotesPayable</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
