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SHAREHOLDERS' EQUITY - Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
STOCK BASED COMPENSATION        
Stock options granted (in shares)   95,000 510,000  
Exercise price of options granted (in dollars per share)   $ 12.21 $ 12.24  
Exercisable period of options 2 years 7 months 6 days      
Shares        
Balance at the beginning of the period (in shares) 616,958 701,000 527,000  
Granted (in shares)   95,000 510,000  
Shares of common stock issued upon exercise of stock options     14,000  
Forfeited (in shares) (159,000) (159,000) (197,000)  
Expired (in shares) (10,000) (20,000) (125,000)  
Balance at the end of the period (in shares) 447,787 616,958 701,000 527,000
Exercisable at the end of the period (in shares) 321,000      
Weighted Average Exercise Price        
Balance at the beginning of the period (in dollars per share) $ 13.43 $ 15.51 $ 20.02  
Granted (in dollars per share)   12.21 12.24  
Weighted average exercise price of stock options (in dollars per share)     $ 10.20  
Proceeds from exercise of stock options $ 4   $ 138  
Forfeited (in dollars per share) $ 12.27 14.56 $ 21.79  
Expired (in dollars per share) 27.80 71.00 11.85  
Balance at the end of the period (in dollars per share) 13.43 $ 13.43 $ 15.51 $ 20.02
Exercisable (in dollars per share) $ 13.81      
Weighted Average Remaining Contractual Life        
Outstanding at the end of the period 2 years 7 months 6 days 4 years 2 months 12 days 4 years 2 months 12 days 3 years
Exercisable period of options 2 years 7 months 6 days      
Intrinsic Value        
Outstanding at the beginning of the period (in dollars) $ 53 $ 53 $ 364  
Exercised (in dollars)   10 10  
Forfeited (in dollars) $ 2 2 2  
Outstanding at the end of the period (in dollars)   $ 53 $ 53 $ 364
Granted (in shares)   95,000 510,000  
Equity Incentive Plan        
STOCK BASED COMPENSATION        
Number of common stock reserved for issuance 1,750,000      
Maximum number of shares that may be subject to grants of options to an individual in a calendar year 1,000,000      
Employees and Directors [Member]        
STOCK BASED COMPENSATION        
Stock options granted (in shares)   100,000    
Exercise price of options granted (in dollars per share)   $ 12.20    
Shares        
Granted (in shares)   100,000    
Weighted Average Exercise Price        
Granted (in dollars per share)   $ 12.20    
Intrinsic Value        
Granted (in shares)   100,000    
Vesting period of options   3 years    
Exercise period of options   5 years    
Common Stock [Member]        
Shares        
Shares of common stock issued upon exercise of stock options     14,000