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WARRANTS - Issued with the 2018 Notes (Details) - Warrants Issued with the 2018 Notes - USD ($) $ / shares in Units, $ in Millions | Nov. 05, 2018 | Mar. 31, 2024 | Dec. 31, 2023 | Jan. 18, 2018
--- | --- | --- | --- | ---
Warrants |  |  |  |
Initial fair value recorded as debt discount (in dollars) |  |  |  | $ 0.1
Issuance of warrants (in shares) | 76,847 |  |  |
Issuance of warrants (in dollars) | $ 0.3 |  |  |
Exercise price (in dollars per share) |  | $ 3.98 | $ 3.99 |

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