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STOCK COMPENSATION PLANS - Additional information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Stock based compensation $ 43,000 $ 3,000 $ 7,000  
Number of Shares Authorized 600,000      
Purchase Price of Common Stock, Percent 100.00%      
Expiration Period 10 years      
Award Vesting Period 3 years      
Options Outstanding 369,047 230,913 296,648 336,313
Grants in Period 160,000 0 7,000  
Intrinsic Value $ 27,000 $ 56,000 $ 71,000  
Range One [Member]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Number of Exercisable Options 206,713      
Exercise Price Range, Lower Range Limit $ 2.75      
Exercise Price Range, Upper Range Limit 4.22      
Weighted Average Exercise Price $ 3.18      
Weighted Average Remaining Contractual Term 2 years 8 months 15 days      
Range Two [Member]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Number of not yet exercisable options 162,334      
Exercise Price Range, Lower Range Limit $ 3.83      
Exercise Price Range, Upper Range Limit 4.19      
Weighted Average Exercise Price $ 3.84      
Weighted Average Remaining Contractual Term 9 years 1 month 9 days