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STOCK BASED COMPENSATION (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Restricted stock/units awards    
Stock-based compensation    
Stock based compensation expenses $ 65 $ 111
Unrecognized compensation and expected weighted-average recognition period    
Unrecognized compensation cost $ 275 $ 349
Expected weighted-average recognition period for unrecognized compensation cost (in years) 1 year 1 month 14 days 1 year 2 months 13 days
Performance share incentives    
Unrecognized compensation and expected weighted-average recognition period    
Unrecognized compensation cost $ 563 $ 1,192
Expected weighted-average recognition period for unrecognized compensation cost (in years) 1 year 10 months 4 days 1 year 1 month 28 days