EARNINGS PER SHARE - Basic earnings per share of common stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Basic and diluted:
Net income	$ 316	$ 283
Weighted average common shares outstanding (in shares)	2,789,012	2,775,560
Basic and dilutive net income per share (in dollars per share)	$ 0.11	$ 0.10