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STOCKHOLDERS' EQUITY - At-the-Market Continuous Equity Offering Program (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Feb. 28, 2021
Equity offering |  |  |
Net proceeds from issuance of common stock | $ 4,176 | $ 3,401 |
ATM Agreement |  |  |
Equity offering |  |  |
Maximum amount of shares to be issued |  |  | $ 50,000
Stock issued (in shares) | 447,020 | 357,148 |
Net proceeds from issuance of common stock | $ 4,200 | $ 3,400 |

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