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v3.21.2

Condensed Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | ---
Beginning balance, value at Dec. 31, 2019 | $ 1 | $ 19,657 | $ (1,242) | $ (40) | $ 18,376
Beginning balance, shares at Dec. 31, 2019 | 10,143,158 |  |  |  |
Shares of common stock issued with warrants for cash |  | 2,812 |  |  | 2,812
Shares of common stock issued with warrants for cash, shares | 1,250,000 |  |  |  |
Shares of common stock issued upon exercise of warrants |  | 861 |  |  | 861
Shares of common stock issued upon exercise of warrants, shares | 275,000 |  |  |  |
Net income (loss) |  |  | (7,222) |  | (7,222)
Ending balance, value at Sep. 30, 2020 | $ 1 | 23,330 | (8,464) | (40) | 14,827
Ending balance, shares at Sep. 30, 2020 | 11,668,158 |  |  |  |
Beginning balance, value at Jun. 30, 2020 | $ 1 | 19,657 | (3,741) | (40) | 15,877
Beginning balance, shares at Jun. 30, 2020 | 10,143,158 |  |  |  |
Shares of common stock issued with warrants for cash |  | 2,812 |  |  | 2,812
Shares of common stock issued with warrants for cash, shares | 1,250,000 |  |  |  |
Shares of common stock issued upon exercise of warrants |  | 861 |  |  | 861
Shares of common stock issued upon exercise of warrants, shares | 275,000 |  |  |  |
Net income (loss) |  |  | (4,723) |  | (4,723)
Ending balance, value at Sep. 30, 2020 | $ 1 | 23,330 | (8,464) | (40) | 14,827
Ending balance, shares at Sep. 30, 2020 | 11,668,158 |  |  |  |
Beginning balance, value at Dec. 31, 2020 | $ 1 | 23,643 | (12,113) | (40) | 11,491
Beginning balance, shares at Dec. 31, 2020 | 11,768,158 |  |  |  |
Issuance of common stock for cash, net of offering costs |  | 12,466 |  |  | 12,466
Issuance of common stock for cash, net of offering costs, shares | 750,000 |  |  |  |
Common stock issued upon exercise of warrants |  | 707 |  |  | 707
Common stock issued upon exercise of warrants, shares | 287,522 |  |  |  |
Net income (loss) |  |  | (1,827) |  | (1,827)
Ending balance, value at Sep. 30, 2021 | $ 1 | 36,816 | (13,940) | (40) | 22,837
Ending balance, shares at Sep. 30, 2021 | 12,805,680 |  |  |  |
Beginning balance, value at Jun. 30, 2021 | $ 1 | 36,816 | (14,882) | (40) | 21,895
Beginning balance, shares at Jun. 30, 2021 | 12,805,680 |  |  |  |
Net income (loss) |  |  | 942 |  | 942
Ending balance, value at Sep. 30, 2021 | $ 1 | $ 36,816 | $ (13,940) | $ (40) | $ 22,837
Ending balance, shares at Sep. 30, 2021 | 12,805,680 |  |  |  |

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