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LONG-TERM DEBT - Components of Long-Term Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024 | Dec. 05, 2024
--- | --- | --- | ---
Components of long-term debt |  |  |
Total carrying amount of long-term debt | $ 1,980 | $ 1,888 |
Less current portion | $ (1,980) | $ (1,888) |
Promissory note |  |  |
Components of long-term debt |  |  |
Principal amount |  |  | $ 2,000
Fair value of the note |  |  | $ 1,878
Borrowing rate | 6.50% | 6.50% |
Other debt | Promissory note |  |  |
Components of long-term debt |  |  |
Term loan | $ 1,980 | $ 1,888 |

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