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STOCK BASED COMPENSATION (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Stock-based compensation          
Stock based compensation expenses $ 64 $ (61) $ 203 $ 157  
Restricted stock/units awards          
Stock-based compensation          
Stock based compensation expenses 63 109 264 $ 327  
Unrecognized compensation and expected weighted-average recognition period          
Unrecognized compensation cost 437   $ 437   $ 718
Expected weighted-average recognition period for unrecognized compensation cost (in years)     1 year 5 months 16 days 1 year 7 months 20 days  
Performance share incentives          
Stock-based compensation          
Stock based compensation expenses 1 $ (170) $ (61) $ (170)  
Unrecognized compensation and expected weighted-average recognition period          
Unrecognized compensation cost $ 81   $ 81   $ 554
Expected weighted-average recognition period for unrecognized compensation cost (in years)     6 months 2 years 1 month 17 days