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v3.22.1

Statements of Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | ---
Beginning balance, value at Dec. 31, 2019 | $ 16 | $ 128,669 | $ (116,935) | $ 11,750
Beginning balance, shares at Dec. 31, 2019 | 16,041,650 |  |  |
Equity compensation |  | 409 |  | 409
Issuance of common stock, net of costs | $ 2 | 10,567 |  | 10,569
Issuance of common stock, net of costs, shares | 1,769,230 |  |  |
Exercise of stock options, net of cashless exercise shares |  | 203 |  | 203
Exercise of stock options, net of cashless exercise of shares, shares | 689,901 |  |  |
Shares withheld for withholding taxes |  | (1,475) |  | (1,475)
Shares withheld for withholding taxes, shares | (180,844) |  |  |
Issuance of shares for vested restricted stock grants |  |  |  |
Issuance of shares for vested restricted stock grants, shares | 24,778 |  |  |
Exercise of warrants |  | 112 |  | 112
Exercise of warrants, shares | 50,750 |  |  |
Settlement of executive bonuses with issuance of restricted stock units |  | 85 |  | 85
Settlement of executive bonuses with issuance of restricted stock units, shares | 14,993 |  |  |
Exercise of liability awards |  | 3,042 |  | 3,042
Net loss |  |  | (2,484) | (2,484)
Ending balance, value at Dec. 31, 2020 | $ 18 | 141,612 | (119,419) | 22,211
Ending balance, shares at Dec. 31, 2020 | 18,410,458 |  |  |
Equity compensation |  | 3,068 |  | 3,068
Exercise of stock options, net of cashless exercise shares | $ 1 | 1,756 |  | 1,757
Exercise of stock options, net of cashless exercise of shares, shares | 208,741 |  |  |
Issuance of shares for vested restricted stock grants |  |  |  |
Issuance of shares for vested restricted stock grants, shares | 32,170 |  |  |
Exercise of warrants |  | 19 |  | 19
Exercise of warrants, shares | 9,000 |  |  |
Net loss |  |  | (7,478) | (7,478)
Ending balance, value at Dec. 31, 2021 | $ 19 | $ 146,455 | $ (126,897) | $ 19,577
Ending balance, shares at Dec. 31, 2021 | 18,660,369 |  |  |

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