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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, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Basic and diluted:        
Net income $ 8 $ 526 $ 906 $ 1,434
Weighted average common shares outstanding (in shares) 2,770,897 2,757,213 2,770,644 2,757,011
Basic and dilutive net income per share (in dollars per share) $ 0.00 $ 0.19 $ 0.33 $ 0.52