EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net income, Basic	$ 2,777	$ 2,681	$ 5,027	$ 3,833
Net income, Diluted	2,777	2,681	5,027	3,833
Net income allocated to common shares, Basic	2,749	2,661	4,977	3,805
Net income allocated to common shares, Diluted	$ 2,749	$ 2,661	$ 4,977	$ 3,805
Basic Weighted-Average Shares Outstanding, Basic	11,679	11,546	11,634	11,536
Dilutive effect of stock options and ESPP, Diluted	110	121	114	123
Diluted Weighted-Average Shares Outstanding, Diluted	11,789	11,667	11,748	11,659
Earnings Per Share, Basic	$ 0.24	$ 0.23	$ 0.43	$ 0.33
Earnings Per Share, Diluted	$ 0.23	$ 0.23	$ 0.42	$ 0.33
Restricted Stock [Member]
Net income allocated to restricted stock, Basic	$ (28)	$ (20)	$ (50)	$ (28)
Net income allocated to restricted stock, Diluted	$ (28)	$ (20)	$ (50)	$ (28)