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INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details) - Customer relationships [Member] - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Cost $ 1,342 $ 1,342
Accumulated amortization (297) (163)
Amortized cost $ 1,045 $ 1,179