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SIGNIFICANT ACCOUNTING POLICIES - Potentially dilutive securities excluded from computation of earnings per share (Details) - USD ($)
shares in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Antidilutive securities excluded from computation of earnings per share amount 2,037 2,081
Stock Options    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Antidilutive securities excluded from computation of earnings per share amount 134 174
Outstanding unamortized share-based compensation expense $ 58,000  
Warrants    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Antidilutive securities excluded from computation of earnings per share amount 0 29
Restricted stock units    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Antidilutive securities excluded from computation of earnings per share amount 1,903 1,878
Outstanding unamortized share-based compensation expense $ 5,990,000