EARNINGS PER SHARE - Basic earnings per share of common stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Basic and diluted:
Net income	$ 308	$ 518	$ 591	$ 898
Weighted average common shares outstanding (in shares)	2,776,546	2,767,521	2,776,053	2,767,331
Basic and dilutive net income per share (in dollars per share)	$ 0.11	$ 0.19	$ 0.21	$ 0.32