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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, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Numerator:
Net income	$ (995)	$ 1,551	$ 1,389	$ 1,348	$ 1,150	$ 1,065	$ 1,362	$ (1,267)	$ 3,293	$ 2,310	$ 5,997
Preferred stock dividends									0	15	210
Net income available to common shareholders									$ 3,293	$ 2,295	$ 5,787
Denominator:
Weighted average common shares outstanding (basic)									18,498	18,896	18,863
Effect of stock options									102	59	70
Weighted average common shares outstanding (diluted)									18,600	18,955	18,933
Earnings per common share:
Basic	$ (0.05)	$ 0.08	$ 0.07	$ 0.07	$ 0.06	$ 0.06	$ 0.07	$ (0.07)	$ 0.18	$ 0.12	$ 0.31
Diluted	$ (0.05)	$ 0.08	$ 0.07	$ 0.07	$ 0.06	$ 0.06	$ 0.07	$ (0.07)	$ 0.18	$ 0.12	$ 0.31

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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