Stockholders' Equity (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||
Equity [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Assumptions used in calculating fair value of warrants |
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Schedule of fair value liabilities measured on recurring basis |
The fair values and the changes in fair values of the warrants accounted for as a derivative liability is reflected below:
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Schedule of share-based compensation,stock options,activity |
Activity under all of the Companys equity compensation plans during the six months ended June 30, 2015 is summarized below:
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Schedule of share-based payment award stock options valuation assumptions |
The estimated grant date fair values of options granted during the six months ended June 30, 2015 were calculated using the Black-Scholes valuation model, based on the following assumptions:
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Schedule of employee service share-based compensation, allocation of recognized period costs |
The Company records share-based compensation expense on a straight-line basis over the related vesting period. For the periods indicated below, share-based compensation expense, which includes the expense associated with the modification of option terms discussed above, related to options was:
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Schedule of stockholders' equity note warrants or rights |
Warrants have generally been issued for terms of up to five years. Common stock warrant activity for the six months ended June 30, 2015 was as follows:
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