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Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Oct. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
FAIR VALUE MEASUREMENTS |  |  |
Transfers between levels | $ 0 |  | $ 0
Series B-2 preferred stock |  |  |
FAIR VALUE MEASUREMENTS |  |  |
Percentage of then outstanding shares on an as-converted to common stock basis, offered |  | 99.20% |
Warrant liabilities |  |  |
FAIR VALUE MEASUREMENTS |  |  |
Liabilities | 15,819 | $ 11,966 |
Tranche rights and obligations associated with the second tranche |  |  |
FAIR VALUE MEASUREMENTS |  |  |
Liabilities | 2,250 | 3,109 |
Tranche rights and obligations associated with the third tranche |  |  |
FAIR VALUE MEASUREMENTS |  |  |
Liabilities | 2,452 | $ 3,238 |
Carrying amount | Warrant liabilities |  |  |
FAIR VALUE MEASUREMENTS |  |  |
Liabilities | 16,188 |  | 391
Carrying amount | Tranche liabilities |  |  |
FAIR VALUE MEASUREMENTS |  |  |
Liabilities | $ 4,702 |  | $ 0

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