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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Numerator:
Net income	$ 669	$ 1,689	$ 1,792	$ 1,878	$ 1,928	$ 2,329	$ 1,744	$ 1,767	$ 6,028	$ 7,768	$ 3,293
Denominator:
Weighted average common shares outstanding (basic)									17,359	17,933	18,498
Effect of stock options									81	104	102
Weighted average common shares outstanding (diluted)									17,440	18,037	18,600
Earnings per common share:
Basic	$ 0.04	$ 0.10	$ 0.10	$ 0.11	$ 0.11	$ 0.13	$ 0.10	$ 0.10	$ 0.35	$ 0.43	$ 0.18
Diluted	$ 0.04	$ 0.10	$ 0.10	$ 0.11	$ 0.11	$ 0.13	$ 0.10	$ 0.10	$ 0.35	$ 0.43	$ 0.18

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