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FAIR VALUE MEASUREMENTS (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Opening balance $ 1,220 $ 382
Increase in contingent consideration due to acquisitions 1,868 1,048
Payment of contingent consideration (883) (166)
Change in fair value of contingent consideration 665 3
Amortization of interest and exchange rate 218 (47)
Closing balance $ 3,088 $ 1,220