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SHAREHOLDERS' EQUITY - Intrinsic value and weighted average remaining life for stock (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2023
USD ($)
SHAREHOLDERS' EQUITY  
Intrinsic value of options outstanding $ 110
Intrinsic value of stock options exercisable $ 110
Weighted average remaining life of stock options outstanding 7 years 2 months 12 days
Weighted average remaining life of stock options exercisable 6 years 3 months 18 days
Weighted average remaining life of unvested stock options 9 years 8 months 12 days