Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Activity of Stock Options (Details)

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SHARE-BASED COMPENSATION - Activity of Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Stock Options    
Outstanding, beginning balance (in shares) 410,477  
Granted (in shares) 0  
Exercised (in shares) 0  
Forfeited (in shares) (3,484)  
Expired (in shares) (31,923)  
Outstanding, ending balance (in shares) 375,070 410,477
Vested and expected to vest (in shares) 364,537  
Vested and exercisable (in shares) 321,191  
Weighted-Average Exercise Price    
Outstanding, beginning (USD per share) $ 7.15  
Granted (USD per share) 0  
Exercised (USD per share) 0  
Forfeited (USD per share) 10.41  
Expired (USD per share) 12.12  
Outstanding, ending (USD per share) 6.70 $ 7.15
Vested and expected to vest (USD per share) 6.59  
Vested and exercisable (USD per share) $ 5.82  
Weighted-Average Remaining Contractual Term (Years) and Aggregate Intrinsic Value    
Outstanding term 2 years 5 months 19 days 2 years 6 months 21 days
Vested and expected to vest term 2 years 6 months 3 days  
Vested and exercisable term 2 years 21 days  
Outstanding $ 0 $ 0
Exercised 0  
Vested and expected to vest 0  
Vested and exercisable $ 0