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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, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Basic and diluted:        
Net income $ 518 $ 435 $ 898 $ 908
Weighted average common shares outstanding (in shares) 2,767,521 2,754,079 2,767,331 2,753,943
Basic and dilutive net income per share (in dollars per share) $ 0.19 $ 0.16 $ 0.32 $ 0.33