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Other Accounts Receivable And Prepaid Expenses
 12 Months Ended
Dec. 31, 2011
Other Accounts Receivable And Prepaid Expenses [Abstract]  
Other Accounts Receivable And Prepaid Expenses
NOTE 4:-
OTHER ACCOUNTS RECEIVABLE AND PREPAID EXPENSES

   
December 31,
  
   
2010
    
2011
  
             
Government authorities
   $ 2,902     $ 13,789  
Advances to suppliers
     6,153       7,126  
Deferred charges and prepaid expenses
     5,748       12,358  
Other
     622       4,008  
                 
    $ 15,425     $ 37,281