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Condensed Consolidated Statements of Comprehensive Loss - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Statement of Comprehensive Income [Abstract]    
Net loss $ (16,114) $ (11,899)
Foreign currency translation adjustment 1,047 2,278
Total comprehensive loss $ (15,067) $ (9,621)