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PENSION PLAN (Details 8) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Defined Benefit Plan [Abstract]      
Projected benefit obligation $ 2,555 $ 2,985 $ 2,628
Fair value of plan assets 2,407 2,702 $ 2,456
Accrued obligation (long term) $ 148 $ 283