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STOCKHOLDERS' EQUITY - Underwritten Public Offering (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Common Stock Capital Shares Reserved For Future Issuance [Line Items] |  |
Proceeds from issuance of common stock, net | $ 0 | $ 52,656,588
Aggregate proceeds from shares issued under the purchase agreement |  | $ 52,552,758
Exercise of Stock Warrants |  |
Common Stock Capital Shares Reserved For Future Issuance [Line Items] |  |
Issuance of shares of common stock | 372,512 |

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