v3.7.0.1
Consolidated Statements of Comprehensive Loss - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Statement of Comprehensive Income [Abstract]    
Net loss $ (9,019) $ (12,523)
Unrealized gain (loss) on available-for-sale investments, net of tax (6) 74
Comprehensive loss $ (9,025) $ (12,449)