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Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Goodwill    
Balance $ 1,476 $ 1,635
Goodwill recorded in connection with an acquisition 1,239  
Foreign currency translation adjustment 33 (129)
Balance $ 2,748 $ 1,506