NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Basic income (loss) per share
Net income (loss)	$ (38)	$ 331
Weighted average shares outstanding (in thousands)	5,183	5,134
Basic income per share	$ (0.01)	$ 0.06
Diluted income (loss) per share
Net income	$ (38)	$ 331
Weighted average shares outstanding (in thousands)	5,183	5,134
Dilutive effect of stock options and restricted stock (in thousands)	0	8
Total weighted average shares outstanding (in thousands)	5,183	5,142
Diluted income per share	$ (.01)	$ .06