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INCOME TAXES (Details 4) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Deferred tax assets    
Canada net operating loss carryforward $ 148  
Non-deductible reserves 1,180 $ 1,122
Pension plan 75 47
Foreign tax credits 4,631 3,463
Fixed assets 104 116
Intangibles 1,203 920
Other 116 (9)
Valuation allowance (4,728)  
Net deferred tax assets 2,729 5,659
Deferred tax liabilities    
Fixed assets (415) (1,065)
Intangibles (764) (1,335)
Other (486)  
Net deferred tax liabilities (1,665) (2,400)
Deferred asset, net $ 1,064 $ 3,259