v3.20.4

Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of Warrant Activity | In connection with the issuance of debt, common stock and preferred stock, the Company has issued warrants to purchase shares of the Company's common stock. The following table summarizes warrant activity:
|  | Number of Warrants |  | Weighted Average Exercise Price per Warrant
Balance, December 31, 2018 |  | 17,818,844 |  |  | $ | 1.84 |
Granted, Series B Preferred Stock |  | 9,262,500 |  |  | 1.62 |
Granted, Marathon Credit Agreement |  | 3,379,466 |  |  | 2.26 |
Granted, Other |  | 66,966 |  |  | 5.28 |
Exercised |  | — |  |  | — |
Balance, December 31, 2019 |  | 30,527,776 |  |  | 1.82 |
Granted, Marathon Credit Agreement |  | 1,176,203 |  |  | 28.26 |
Exercised |  | (30,502,763) |  |  | 1.78 |
Expired |  | (45,540) |  |  | 1.60 |
Balance, December 31, 2020 |  | 1,155,676 |  |  | $ | 28.74 |

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