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INCOME TAXES (Details 3) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]    
Total assets $ 2,729 $ 5,659
Total liabilities (1,665) (2,400)
Net noncurrent deferred income tax asset 1,064 3,259
Net deferred income tax asset $ 1,064 $ 3,259