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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Tables)
 12 Months Ended
Dec. 31, 2018
Prepaid Expense and Other Assets [Abstract]  
Schedule of prepaid expenses and other current assets
 
December 31,
  
   
2018
    
2017
  
             
Government authorities
  
$
30,369
    
$
26,275
  
Interest receivable
    
2,867
      
2,042
  
Prepaid expenses
    
45,671
      
31,810
  
Inventories
    
3,434
      
3,891
  
Discontinued operations
    
-
      
2,042
  
Other
    
5,109
      
4,014
  
                 
   
$
87,450
    
$
70,074