9. Stock options and warrants (Details Narrative) (USD $)
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12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Options
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Option shares available for grant | 2,201,759 | ||
Aggregate intrinsic value of options outstanding | $ 16,060,907 | ||
Future unamortized compensation expense on unvested outstanding options | 705,500 | ||
Compensation cost amortized | 403,127 | 1,366,846 | 8,058 |
Weighted average fair value for options granted | $ 0.96 | $ 0.30 | $ 0.37 |
Warrants
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Compensation cost amortized | 97,242 | 84,694 | |
Aggregate intrinsic value of warrants outstanding | 8,585,149 | ||
Future unamortized compensation expense on unvested warrants | 162,500 | ||
Proceeds from warrants exercised | 8,408,718 | ||
Compensation cost on the vesting of warrants granted | 84,694 | ||
Unamortized compensation expense | 8,600 | ||
Amortization expense on warrants vested | $ 289,513 | $ 411,888 |
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- Definition
Costs and payments related to employee benefits and equity-based compensation, such as pension expense and contributions, other postretirement benefits expense and payments, stock or unit options expense, and amortization of restricted stock or unit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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- Definition
The cash inflow associated with the amount received from holders exercising their stock warrants. No definition available.
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X | ||||||||||
- Definition
Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options. No definition available.
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X | ||||||||||
- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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X | ||||||||||
- Definition
Amortization expense on warrants vested No definition available.
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X | ||||||||||
- Definition
Compensation cost on the vesting of warrants granted No definition available.
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X | ||||||||||
- Definition
Future unamortized compensation expense on unvested warrants No definition available.
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X | ||||||||||
- Definition
Unamortized compensation expense No definition available.
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