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PENSION PLAN (Details 7) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Defined Benefit Plan [Abstract]    
Fair value of plan assets, at beginning of year $ 2,456 $ 2,515
Actual return on plan assets 136 (3)
Employer contributions 85 96
Employee contributions 31 30
Benefits paid (180) (167)
Foreign exchange adjustment 174 (15)
Fair value of plan assets, at end of year $ 2,702 $ 2,456