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Balance Sheet Details (Goodwill) (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2016
USD ($)
Schedule of Change in the Carrying Amount of Goodwill [Roll Forward]  
Balance at December 31, 2015 $ 23,635
Foreign currency translation adjustments 512
Goodwill related to sale of product line (291)
Balance at September 30, 2016 $ 23,856