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GEOGRAPHIC INFORMATION (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Product Information [Line Items]      
Revenues, Total $ 185,636 $ 157,450 $ 135,377
Total Revenues      
Product Information [Line Items]      
Entity-Wide Revenue, Major Customer, Percentage 10.00% 10.00% 10.00%
Canada [Member]      
Product Information [Line Items]      
Revenues, Total $ 471 $ 558 $ 1,100