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STOCK-BASED COMPENSATION PLANS - Summary of stock option activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Summary of stock option activity under the option Plan    
Number of Shares, Outstanding at ending balance 340  
Exercisable Number of Options 340  
Employee Stock Option    
Summary of stock option activity under the option Plan    
Number of Shares, Outstanding at beginning balance 349  
Number of Shares, Forfeited (2)  
Number of Shares, Exercised (7)  
Number of Shares, Outstanding at ending balance 340 349
Exercisable Number of Options 340  
Weighted Average Exercise Price, Outstanding at beginning balance | $ / shares $ 1.82  
Weighted Average Exercise Price, Forfeited | $ / shares 3.36  
Weighted Average Exercise Price, Exercised | $ / shares 2.46  
Weighted Average Exercise Price, Outstanding at ending balance | $ / shares 1.80 $ 1.82
Weighted Average Exercise Price, Exercisable at ending balance | $ / shares $ 1.80  
Weighted Average Remaining Contractual Life (Years) 3 years 7 months 13 days 4 years 1 month 13 days
Aggregate Intrinsic Value, Outstanding and exercisable | $ $ 2,561 $ 3,163