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EARNINGS PER SHARE (EPS) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Numerator for EPS:      
Net income $ 2,396 $ 62 $ 5,849
Denominator for EPS:      
Weighted average shares outstanding - basic 8,848,028 8,828,444 8,808,344
Dilutive shares 61,044 2,320 2,345
Weighted average shares outstanding - diluted 8,909,072 8,830,764 8,810,689
EPS      
Basic and diluted $ 0.27 $ 0.01 $ 0.66
Anti-dilutive options excluded from calculation of diluted income (loss) per share 105,000 220,000 295,000