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WARRANTS - Summary of RTI Warrant Activity (Details) - $ / shares
shares in Thousands
 9 Months Ended 12 Months Ended
Mar. 17, 2021
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Weighted average exercise price          
Ending balance, Weighted average exercise price (in usd per share) $ 11.50        
Common stock          
Number of warrants          
Beginning balance, Number of warrants (in shares)   971 971 971  
Granted, Number of warrants (in shares)   0 0    
Exercised, Number of warrants (in shares)   0 0    
Ending balance, Number of warrants (in shares)   971 971 971 971
Exercisable, Number of warrants (in shares)   971 971    
Weighted average exercise price          
Beginning balance, Weighted average exercise price (in usd per share)   $ 5.56 $ 5.56 $ 5.56  
Ending balance, Weighted average exercise price (in usd per share)   5.56 5.56 5.56 $ 5.56
Weighted average grant date fair value          
Beginning balance, Weighted average grant date fair value (in usd per share)   0.03 0.03 0.03  
Ending balance, Weighted average grant date fair value (in usd per share)   $ 0.03 $ 0.03 $ 0.03 $ 0.03
Weighted average remaining contractual term (years)          
Weighted average remaining contractual term (years)   1 year 3 months 18 days 2 years 3 months 18 days 2 years 3 years