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STOCKHOLDERS' EQUITY - Warrants (Details) - $ / shares | Oct. 08, 2019 | Dec. 31, 2023 | Dec. 14, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Stockholders' equity |  |  |  |
Percentage of shares of class of directors | 85.00% |  |  |
Warrants issued | 6,900,000 |  |  |
Warrant term (in years) | 3 years |  |  |
Warrant maturity date | Oct. 08, 2022 |  |  |
Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001
Authorized shares of capital stock, after amendment of certificate of incorporation | 101,000,000 |  |  |
Authorized shares of common stock, after amendment of certificate of incorporation | 100,000,000 | 100,000,000 |  | 100,000,000
Minimum |  |  |  |
Stockholders' equity |  |  |  |
Exercise price (in dollars per share) | $ 40.17 |  |  |
Maximum |  |  |  |
Stockholders' equity |  |  |  |
Exercise price (in dollars per share) | 60.45 |  |  |
Preferred Stock |  |  |  |
Stockholders' equity |  |  |  |
Preferred stock, par value (in dollars per share) | $ 0.0001 |  |  |
Authorized shares of preferred stock, after amendment of certificate of incorporation | 1,000,000 |  |  |

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