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EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Basic and diluted earnings        
Net income $ 99 $ 352 $ 576 $ 1,265
Comprehensive income $ 15 $ 391 $ 465 $ 1,340
Weighted average outstanding shares of common stock 6,482 7,336 7,039 7,332
Dilutive potential common shares from stock options and restricted stock units 97 89 90 86
Common stock and common stock equivalents 6,579 7,425 7,129 7,418
Earnings per share:        
Earnings per share, basic and diluted $ 0.02 $ 0.05 $ 0.08 $ 0.17
Comprehensive income per share: basic and diluted $ 0.00 $ 0.05 $ 0.07 $ 0.18
Shares subject to anti-dilutive stock options and restricted stock-based awards excluded from calculation 26 80 33 83