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DEBT - Rollforward (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Long-term debt |  |  |
Balance, beginning of year | $ 63,979 | $ 48,866 | $ 48,866
Promissory note - initial recognition |  | $ 15,000 | 15,000
Principal repayment on debt | (25,000) |  |
Interest expense | 4,007 |  | 5,488
Interest payments | (2,986) |  | (4,875)
Bonus Interest - Equity based financing fee |  |  | (500)
Balance, end of period | 40,000 |  | 63,979
Less: current portion |  |  | 10,000
Long-term portion | $ 40,000 |  | $ 53,979

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