Stockholders' Equity (Details) - Employee Stock Option [Member]	6 Months Ended
Jun. 30, 2019 $ / shares shares
Number of shares
Outstanding, December 31, 2018 \| shares	4,788,443
Granted to employees, officers, directors and others \| shares	125,000
Expired/Cancelled/Forfeited \| shares	(385,693)
Exercised \| shares	(52,500)
Outstanding, June 30, 2019 \| shares	4,475,250
Exercisable, June 30, 2019 \| shares	4,375,250
Weighted Average exercise price
Outstanding, December 31, 2018 \| $ / shares	$ 1.37
Granted to employees, officers, directors and others \| $ / shares	0.01
Expired/Cancelled/Forfeited \| $ / shares	2.07
Exercised \| $ / shares	0.01
Outstanding, June 30, 2019 \| $ / shares	1.29
Exercisable, June 30, 2019 \| $ / shares	$ 1.32

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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Number of share options (or share units) exercised during the current period.

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Exercise Price [Abstract]

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