v3.20.4

Consolidated Statement of Stockholders' Equity (Deficit) - USD ($) | Total | Common Stock | Series A Preferred Stock | Additional Paid-in Capital | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2018 | $ (15,422,443) | $ 58,271 | $ 0 | $ 126,076,782 | $ (141,557,496)
Beginning balance (in shares) at Dec. 31, 2018 |  | 58,270,934 | 0 |  |
Issuance of common stock | 5,928,235 | $ 7,184 |  | 5,921,051 |
Issuance of common stock (in shares) |  | 7,183,488 |  |  |
Stock options and warrants exercised, and vesting of restricted shares | 35,306 | $ 630 |  | 34,676 |
Stock options and warrants exercised and vesting of restricted shares (in shares) |  | 630,141 |  |  |
Reclassification of warrants to equity | 857,072 |  |  | 857,072 |
Deemed dividend | 0 | $ 116 |  | 86,091 | (86,207)
Deemed dividend (in shares) |  | 116,496 |  |  |
Value of warrants issued with Series B Preferred Stock | 6,709,961 | $ 0 |  | 6,709,961 |
Value of warrants issued with Series B Preferred Stock (in shares) |  | 0 |  |  |
Value of warrants issued with convertible notes | 430,000 |  |  | 430,000 |
Common stock issued for preferred stock dividends | 1,166,771 | $ 719 |  | 1,166,052 |
Common stock issued for preferred stock dividend (in shares) |  | 718,755 |  |  |
Conversion of convertible notes | 564,817 | $ 185 |  | 564,632 |
Conversion of convertible notes (in shares) |  | 185,186 |  |  |
Stock-based compensation | 1,979,998 |  |  | 1,979,998 |
Net income | (37,162,827) |  |  |  | (37,162,827)
Ending balance at Dec. 31, 2019 | (34,913,110) | $ 67,105 | $ 0 | 143,826,315 | (178,806,530)
Ending balance (in shares) at Dec. 31, 2019 |  | 67,105,000 | 0 |  |
Stock options and warrants exercised, and vesting of restricted shares | 82,093,632 | $ 33,933 |  | 82,059,699 |
Stock options and warrants exercised and vesting of restricted shares (in shares) |  | 33,932,827 |  |  |
Common stock issued for preferred stock dividends | 1,491,860 | $ 922 |  | 1,490,938 |
Common stock issued for preferred stock dividend (in shares) |  | 920,901 |  |  |
Conversion of convertible notes | $ 270,794,684 | $ 19,605 |  | 270,775,079 |
Conversion of convertible notes (in shares) | 19,600,000 | 19,605,013 |  |  |
Common stock issued for interest on convertible notes | $ 1,939,964 | $ 358 |  | 1,939,606 |
Common stock issued for interest on convertible notes (in shares) |  | 358,791 |  |  |
Stock-based compensation | 4,020,805 |  |  | 4,020,805 |
Net income | 69,776,499 |  |  |  | 69,776,499
Ending balance at Dec. 31, 2020 | $ 395,204,334 | $ 121,923 | $ 0 | $ 504,112,442 | $ (109,030,031)
Ending balance (in shares) at Dec. 31, 2020 |  | 121,922,532 | 0 |  |

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