7. Stock options and warrants (Details Narrative) (USD $)
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Mar. 31, 2014
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Dec. 31, 2013
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Options
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Aggregate intrinsic value of options outstanding | $ 12,643,371 | |
Future unamortized compensation expense on unvested outstanding options | 577,100 | |
Warrants
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Aggregate intrinsic value of warrants outstanding | 3,855,525 | |
Future unamortized compensation expense on unvested warrants | $ 250,000 |
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- Definition
Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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- Definition
Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options. No definition available.
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- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future unamortized compensation expense on unvested warrants No definition available.
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