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STOCK BASED COMPENSATION (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
plan
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Apr. 17, 2017
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 240.00% 300.00%  
Number of active stock based compensation plan | plan 1    
Number of shares authorized (in shares) | shares     370,000
Number of shares available for grant (in shares) | shares 144,155    
New shares issued (in shares) | shares 58,483    
Intrinsic value of exercised options $ 1,200 $ 100  
Non-vested shares (in shares) | shares 8,336    
Number of Options [Roll Forward]      
Outstanding at beginning of year (in shares) | shares 306,000    
Granted (in shares) | shares 10,000    
Exercised (in shares) | shares (58,000)    
Forfeited or expired (in shares) | shares (14,000)    
Outstanding at end of year (in shares) | shares 244,000 306,000  
Options exercisable at year end (in shares) | shares 236,000    
Weighted average exercise price [Roll Forward]      
Outstanding at beginning of year (in dollars per share) | $ / shares $ 16.07    
Granted (in dollars per share) | $ / shares 25.66    
Exercised (in dollars per share) | $ / shares 14.51    
Outstanding at end of year (in dollars per share) | $ / shares 17.10 $ 16.07  
Options exercisable at year end (in dollars per share) | $ / shares $ 16.86    
Weighted average remaining contractual life (in years) [Abstract]      
Outstanding at end of year 5 years 3 days    
Options exercisable at year end 4 years 10 months 9 days    
Aggregate intrinsic value [Abstract]      
Outstanding at end of year $ 5,174    
Options exercisable at year end $ 5,054    
Assumptions used to calculate compensation expense and fair value of stock options granted [Abstract]      
Average expected life of stock options 4 years 6 months 4 years 6 months  
Weighted-average grant-date fair value (in dollars per share) | $ / shares $ 6.77 $ 4.00  
Total fair value of shares vested $ 100 $ 300  
Summary of amounts related to the expense of the fair values of options [Abstract]      
Selling, general and administrative expenses and income from operations before income taxes 50 124  
Benefit for income taxes (12) (9)  
Effect on net income 38 $ 115  
Unrecognized compensation expense [Abstract]      
Total gross unrecognized compensation expense in 2018 26    
Total gross unrecognized compensation expense in 2019 10    
Tax benefit associated with unrecognized compensation expense due current 6    
Tax benefit associated with unrecognized compensation expense in 2018 2    
Total tax benefit associated with unrecognized compensation expense 8    
Total net unrecognized compensation expense in 2018 20    
Total net unrecognized compensation expense in 2019 8    
Total Gross unrecognized compensation expense due 36    
Total net unrecognized compensation expense $ 28    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 70.00% 30.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 5670.00% 5250.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | shares 0    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price | $ / shares $ 11.40    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price | $ / shares $ 0    
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 100    
Board of Directors      
Number of Options [Roll Forward]      
Granted (in shares) | shares 10,000    
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period of stock option plan 10 years    
Incentive Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period of stock option plan 5 years