NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Basic income (loss) per share
Net income	$ 273	$ 691	$ 604	$ 270
Weighted average shares outstanding (in thousands)	5,134	5,080	5,134	5,076
Basic income per share	$ 0.05	$ 0.14	$ 0.12	$ 0.05
Diluted income (loss) per share
Net income	$ 273	$ 691	$ 604	$ 270
Weighted average shares outstanding (in thousands)	5,134	5,080	5,134	5,076
Dilutive effect of stock options and restricted stock (in thousands)	9	24	7	25
Total weighted average shares outstanding (in thousands)	5,143	5,104	5,141	5,101
Diluted income per share	$ 0.05	$ 0.14	$ 0.12	$ 0.05