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DEBT - Schedule of Long-term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Aug. 22, 2022
Debt Instrument [Line Items]      
Gross, long-term debt $ 40,000 $ 70,470  
Plus: derivative liability for embedded conversion feature 764 252  
Less: unamortized debt issuance costs (1,898) (3,849)  
Carrying value 38,866 66,873  
Less: current portion of long-term debt 0 (470)  
Long-term debt, net 38,866 66,403  
Convertible notes      
Debt Instrument [Line Items]      
Less: unamortized debt issuance costs $ (1,600)    
Convertible notes | 6.5% Convertible Senior Secured Notes due 2027      
Debt Instrument [Line Items]      
Interest rate 6.50%   6.50%
Gross, long-term debt $ 40,000 70,000  
Plus: derivative liability for embedded conversion feature 764 252  
Less: unamortized debt issuance costs (1,600)    
Senior Notes | Royalty Rights obligation      
Debt Instrument [Line Items]      
Gross, long-term debt $ 0 $ 470