NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic earnings (loss) per common share
Net income (loss)	$ 2,867	$ (38)
Weighted average shares outstanding (in thousands)	5,202	5,183
Basic earnings (loss) per common share	$ .55	$ (.01)
Diluted earnings (loss) per common share
Net income (loss)	$ 2,867	$ (38)
Weighted average shares outstanding (in thousands)	5,202	5,183
Dilutive effect of stock options and restricted stock (in thousands)	8	0
Total weighted average shares outstanding (in thousands)	5,210	5,183
Diluted earnings (loss) per common share	$ .55	$ (.01)