XML 17 R5.htm IDEA: XBRL DOCUMENT v3.19.1
Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]    
Net loss $ (15,083) $ (5,042)
Other comprehensive income (loss):    
Unrealized gain (loss) on available-for-sale securities 17 (4)
Total comprehensive loss $ (15,066) $ (5,046)