EARNINGS PER SHARE - Basic earnings per share of common stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Basic and diluted:
Net income	$ 115	$ 8	$ 706	$ 906
Weighted average common shares outstanding (in shares)	2,782,923	2,770,897	2,781,371	2,770,644
Basic and dilutive net income per share (in dollars per share)	$ 0.04	$ 0.00	$ 0.25	$ 0.33