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GEOGRAPHIC INFORMATION AND REVENUES BY PRODUCT GROUP: (Details 2) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Property and equipment, net by geographic location    
Total property and equipment, net $ 62,375,000 $ 36,806,000
Israel
   
Property and equipment, net by geographic location    
Total property and equipment, net 61,388,000 36,207,000
United States
   
Property and equipment, net by geographic location    
Total property and equipment, net $ 987,000 $ 599,000