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DERIVATIVE INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2015
DERIVATIVE INSTRUMENTS [Abstract]  
Schedule of fair value of derivative instruments



Fair value of derivative instruments




December 31,


Balance sheet line item
2015
2014
Derivative:







Foreign exchange forward contracts Other current assets (liabilities)
$ (57 ) $ 1,949
                 
Option contracts to hedge payroll expenses Other current liabilities
$ (91 ) $ (806 )
Schedule of net income (loss) related to the effective portion of hedging instruments

      December 31,  

  2015
  2014
  2013  
                      
Cost of revenues of products   $ (100 )   $ (107 )   $ 339  
Cost of revenues of services  
(55 )  
(76  
148  
Research and development, net  
(291 )  
(337 )  
717  
Selling and marketing  
(180 )  
(166  
297  
General and administrative  
(187 )  
(201  
402  
                            

  $ (813 )   $ (887   $ 1,903