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STOCK BASED COMPENSATION, Stock options given to employees, Narratives (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
STOCK BASED COMPENSATION |  |  |  |
Grant-date fair value of options granted | $ 2.48 | $ 3.82 | $ 1.96 |
Employees |  |  |  |
STOCK BASED COMPENSATION |  |  |  |
Grant-date fair value of options granted |  | $ 3.82 | $ 1.42 | $ 1.26
Total intrinsic value of options exercised |  | $ 25,607 | $ 36,631 |
Total fair value of shares vested |  | 278,933 | 150,471 |
Stock options | Employees |  |  |  |
STOCK BASED COMPENSATION |  |  |  |
Total unrecognized compensation cost related to unvested stock options granted |  | $ 688,145 | $ 199,305 |
Total unrecognized compensation cost expected to be recognized over a weighted-average period |  | 3 years |  |

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