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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Net loss $ (16,863) $ (9,460)
Other comprehensive (loss) income:    
Unrealized (losses) gains on available-for-sale investments, net of taxes of ($2,058) and zero for the three months ended March 31, 2016 and 2015, respectively (3,922) 19
Comprehensive loss $ (20,785) $ (9,441)