Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Preferred Stock [Member] Series C Preferred Stock [Member] | Preferred Stock [Member] Series D Preferred Stock [Member] | Preferred Stock [Member] Series E Preferred Stock [Member] | Preferred Stock [Member] Series F Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total |
Beginning balance, value at Dec. 31, 2020 | $ 1 | | $ 1 | | $ 22 | $ 44,959 | $ 66 | $ (42,655) | $ 2,394 |
Beginning balance, shares at Dec. 31, 2020 | 666,667 | 153 | 875,000 | | 21,246,523 | | | | |
Stock-based compensation | | | | | | 114 | | | 114 |
Issuance of common stock for cash, net | | | | | 3 | | | | 3 |
Exercise of warrants | | | | | $ 2 | 7,050 | | | 7,052 |
Exercise of warrants, shares | | | | | 5,056,603 | | | | |
Conversion of preferred stock to common stock | | | | | | | | | |
Conversion of preferred stock to common stock, shares | | | (875,000) | | 875,000 | | | | |
Reclass from liability to equity | | | | | | 10,963 | | | 10,963 |
Other comprehensive loss | | | | | | | (7) | | (7) |
Net loss | | | | | | | | (11,808) | (11,808) |
Ending balance, value at Sep. 30, 2021 | $ 1 | | $ 1 | | $ 27 | 63,086 | 59 | (54,463) | 8,711 |
Ending balance, shares at Sep. 30, 2021 | 666,667 | 153 | | | 27,178,126 | | | | |
Beginning balance, value at Jun. 30, 2021 | $ 1 | | $ 1 | | $ 24 | 51,867 | 59 | (47,788) | 4,164 |
Beginning balance, shares at Jun. 30, 2021 | 666,667 | 153 | 875,000 | | 24,109,634 | | | | |
Stock-based compensation | | | | | | 35 | | | 35 |
Issuance of common stock for cash, net | | | | | 3 | | | | 3 |
Exercise of warrants | | | | | | 3,558 | | | 3,558 |
Exercise of warrants, shares | | | | | 2,193,491 | | | | |
Conversion of preferred stock to common stock | | | | | | | | | |
Conversion of preferred stock to common stock, shares | | | (875,000) | | 875,000 | | | | |
Reclass from liability to equity | | | | | | 7,626 | | | 7,626 |
Other comprehensive loss | | | | | | | | | |
Net loss | | | | | | | | (6,675) | (6,675) |
Ending balance, value at Sep. 30, 2021 | $ 1 | | $ 1 | | $ 27 | 63,086 | 59 | (54,463) | 8,711 |
Ending balance, shares at Sep. 30, 2021 | 666,667 | 153 | | | 27,178,126 | | | | |
Beginning balance, value at Dec. 31, 2021 | | | | | $ 28 | 63,162 | 60 | (56,937) | 6,313 |
Beginning balance, shares at Dec. 31, 2021 | | | | | 27,997,793 | | | | |
Stock-based compensation | | | | | | 287 | | | 287 |
Exercise of warrants | | | | | | 135 | | | 135 |
Other comprehensive loss | | | | | | | (57) | | (57) |
Net loss | | | | | | | | (3,389) | (3,389) |
Reversal of warrants | | | | | | (135) | | | (135) |
Ending balance, value at Sep. 30, 2022 | | | | | $ 28 | 63,449 | 3 | (60,326) | 3,154 |
Ending balance, shares at Sep. 30, 2022 | | | | | 27,997,793 | | | | |
Beginning balance, value at Jun. 30, 2022 | | | | | $ 28 | 63,468 | 9 | (59,371) | 4,134 |
Beginning balance, shares at Jun. 30, 2022 | | | | | 27,997,793 | | | | |
Stock-based compensation | | | | | | 116 | | | 116 |
Other comprehensive loss | | | | | | | (6) | | (6) |
Net loss | | | | | | | | (955) | (955) |
Reversal of warrants | | | | | | (135) | | | (135) |
Ending balance, value at Sep. 30, 2022 | | | | | $ 28 | $ 63,449 | $ 3 | $ (60,326) | $ 3,154 |
Ending balance, shares at Sep. 30, 2022 | | | | | 27,997,793 | | | | |