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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2020
Fair Value Disclosures [Abstract] |
Schedule of Warrant Derivative Liabilities | The following table presents the assumptions used for the warrant derivative liabilities under the Black-Scholes option-pricing model:
|  | As of March 31, 2020 |  |  | As of December 31, 2019 |
|  | Strome Warrants |  |  | B. Riley Warrants |  |  | Strome Warrants |  |  | B. Riley Warrants |
Expected life |  |  | 3.21 |  |  |  | 5.55 |  |  |  | 3.45 |  |  |  | 5.80 |
Risk-free interest rate |  |  | 0.29 | % |  |  | 0.46 | % |  |  | 1.62 | % |  |  | 1.76 | %
Volatility factor |  |  | 128.74 | % |  |  | 129.92 | % |  |  | 144.54 | % |  |  | 127.63 | %
Dividend rate |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Transaction date closing market price |  | $ | 0.77 |  |  | $ | 0.77 |  |  | $ | 0.80 |  |  | $ | 0.80 |
Exercise price |  | $ | 0.50 |  |  | $ | 1.00 |  |  | $ | 0.50 |  |  | $ | 1.00 |
Schedule of Valuation Activity for Warrants Accounted for Derivative Liability | The following table represents the carrying amounts and change in valuation for the Company’s warrants accounted for as a derivative liability and classified within Level 3 of the fair-value hierarchy:
|  | As of and Three Months Ended March 31, 2020 |  |  | As of and Three Months Ended March 31, 2019 |
|  | Carry Amount at Beginning of Period |  |  | Change in Valuation |  |  | Carrying Amount at End of Period |  |  | Carry Amount at Beginning of Period |  |  | Change in Valuation |  |  | Carrying Amount at End of Period |
L2 Warrants |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 418,214 |  |  | $ | 121,026 |  |  | $ | 539,240 |
Strome Warrants |  |  | 1,036,687 |  |  |  | (110,081 | ) |  |  | 926,606 |  |  |  | 587,971 |  |  |  | 170,144 |  |  |  | 758,115 |
B. Riley Warrants |  |  | 607,513 |  |  |  | (29,138 | ) |  |  | 578,375 |  |  |  | 358,050 |  |  |  | 84,525 |  |  |  | 442,575 |
Total |  | $ | 1,644,200 |  |  | $ | (139,219 | ) |  | $ | 1,504,981 |  |  | $ | 1,364,235 |  |  | $ | 375,695 |  |  | $ | 1,739,930 |

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