| Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
Potentially dilutive securities outlined in the table below have been excluded from the computation of diluted net loss per share because the effect of their inclusion would have been anti-dilutive.
| | | For the Years Ended December 31, | | | | | 2016 | | 2015 | | 2014 | | | Consulting Warrant to purchase common stock | | | - | | | 146,252 | | | 278,228 | | | Financing Warrant to purchase common stock | | | 13,889 | | | 152,778 | | | 152,778 | | | IPO Warrants to purchase common stock | | | 11,600 | | | 460,000 | | | 460,000 | | | IR Consulting Warrant | | | 23,250 | | | 36,000 | | | 36,000 | | | IR Incentive Warrant | | | 15,000 | | | 15,000 | | | - | | | Warrants issued to private investors | | | 2,381,675 | | | - | | | - | | | Options to purchase common stock | | | 1,309,444 | | | 1,487,785 | | | 1,607,075 | | | RSUs | | | 2,052,223 | | | 1,560,996 | | | 727,279 | | | PSUs | | | 1,153,617 | | | 1,135,614 | | | - | | | DSUs | | | 14,953 | | | - | | | - | | | Total potentially dilutive securities | | | 6,975,651 | | | 4,994,425 | | | 3,261,360 | |
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] |
The following table sets forth a summary of the changes in the fair value of the Company’s Level 3 financial liabilities that are measured at fair value on a recurring basis:
| | | For the Year | | | | | Ended | | | | | December 31, | | | | | 2014 | | | Beginning balance | | $ | 6,277,000 | | | Change in fair value of conversion feature and warrants | | | 26,265,177 | | | Extinguishment of derivative liability upon conversion of Convertible Notes | | | (26,790,177) | | | Extinguishment of derivative liability upon modification of Financing Warrant | | | (1,733,000) | | | Extinguishment of derivative liability upon modification of Consulting Warrant | | | (4,019,000) | | | Ending balance | | $ | - | |
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