NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Basic income (loss) per share
Net income	$ 574	$ 520	$ 1,178	$ 790
Weighted average shares outstanding (in thousands)	5,134	5,080	5,134	5,078
Basic income per share	$ 0.11	$ 0.10	$ 0.23	$ 0.16
Diluted income (loss) per share
Net income	$ 574	$ 520	$ 1,178	$ 790
Weighted average shares outstanding (in thousands)	5,134	5,080	5,134	5,078
Dilutive effect of stock options and restricted stock (in thousands)	4	19	4	20
Total weighted average shares outstanding (in thousands)	5,138	5,099	5,138	5,098
Diluted income per share	$ .11	$ .10	$ .23	$ .15