DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Aug. 22, 2022
Debt Instrument [Line Items]
Plus: derivative liability for embedded conversion feature	$ 308	$ 308
Less: unamortized debt issuance costs	(1,687)	(1,794)
Carrying value	38,621	38,514
Less: current portion of long-term debt	0	0
Long-term debt, net	$ 38,621	38,514
Convertible Notes
Debt Instrument [Line Items]
Less: unamortized debt issuance costs			$ (1,600)
Convertible Notes | 6.5% Convertible Senior Secured Notes due 2027 principal amount
Debt Instrument [Line Items]
Interest rate (as a percent)	6.50%			6.50%
Gross, long-term debt	$ 40,000	40,000
Plus: derivative liability for embedded conversion feature	$ 308	$ 308