EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net income, Basic	$ 2,250	$ 1,152
Net income, Diluted	2,250	1,152
Net income allocated to common shares, Basic	2,237	1,141
Net income allocated to common shares, Diluted	$ 2,237	$ 1,141
Basic Weighted-Average Shares Outstanding, Basic	11,589	11,527
Dilutive effect of stock options and ESPP, Diluted	117	126
Diluted Weighted-Average Shares Outstanding, Diluted	11,706	11,653
Earnings Per Share, Basic	$ 0.19	$ 0.1
Earnings Per Share, Diluted	$ 0.19	$ 0.1
Restricted Stock [Member]
Net income allocated to restricted stock, Basic	$ (13)	$ (11)
Net income allocated to restricted stock, Diluted	$ (13)	$ (11)