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EARNINGS PER SHARE (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Numerator [Abstract]    
Net income (loss) $ 745 $ (1,738) [1]
Denominator [Abstract]    
Basic weighted-average common shares outstanding (in shares) 8,811,752 9,029,212 [1]
Diluted weighted-average common shares outstanding (in shares) 8,811,752 9,029,212 [1]
Dilutive effect of service-based restricted stock awards granted under the plan (in shares)   492
[1] For the three months ended March 31, 2020, there were 492 shares excluded from the diluted EPS calculation because the impact of their assumed vesting would be anti-dilutive due to a net loss in that period.