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Fair Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 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 June 30, 2020 |  |  | As of December 31, 2019 |
|  | Strome Warrants |  |  | B. Riley Warrants |  |  | Strome Warrants |  |  | B. Riley Warrants |
Expected life |  |  | 2.96 |  |  |  | 5.30 |  |  |  | 3.45 |  |  |  | 5.80 |
Risk-free interest rate |  |  | 0.18 | % |  |  | 0.29 | % |  |  | 1.62 | % |  |  | 1.76 | %
Volatility factor |  |  | 138.50 | % |  |  | 135.13 | % |  |  | 144.54 | % |  |  | 127.63 | %
Dividend rate |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Transaction date closing market price |  | $ | 0.65 |  |  | $ | 0.65 |  |  | $ | 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 for the Six Months Ended June 30, 2020 |  |  | As of and for the Six Months Ended June 30, 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 |  |  | $ | 173,181 |  |  | $ | 591,395 |
Strome Warrants |  |  | 1,036,687 |  |  |  | (260,345 | ) |  |  | 776,342 |  |  |  | 587,971 |  |  |  | 243,464 |  |  |  | 831,435 |
B. Riley Warrants |  |  | 607,513 |  |  |  | (122,150 | ) |  |  | 485,363 |  |  |  | 358,050 |  |  |  | 125,125 |  |  |  | 483,175 |
Total |  | $ | 1,644,200 |  |  | $ | (382,495 | ) |  | $ | 1,261,705 |  |  | $ | 1,364,235 |  |  | $ | 541,770 |  |  | $ | 1,906,005 |

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