XML 111 R96.htm IDEA: XBRL DOCUMENT v3.19.1
Quarterly Financial Data - Summary of Quarterly Results of Operations (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Quarterly Financial Information Disclosure [Abstract]                              
Total revenues $ 2,442 $ 486 $ 715 $ 928 $ 933 $ 385 $ 701 $ 590 $ 5,971 $ 277 $ 2,928 $ 1,318 $ 2,961 $ 7,539 $ 1,620
Operating loss (11,005) (13,554) (9,782) (4,678) (5,808) (6,006) (6,136) (5,160) (94) (7,186) (24,559) (11,814) (26,274) (18,576) (21,774)
Net loss $ (11,594) $ (33,126) $ (34,428) $ (6,978) $ (5,782) $ (5,983) $ (6,116) $ (5,140) $ (67) $ (7,162) $ (44,720) $ (11,765) $ (53,171) $ (18,485) $ (21,547)
Net loss per share – basic and diluted $ (0.12) $ (0.44) $ (0.62) $ (0.15) $ (0.13) $ (0.15) $ (0.16) $ (0.15) $ 0 $ (0.21) $ (0.53) $ (0.28) $ (1.15) $ (0.52) $ (0.68)
Weighted average common shares – basic and diluted 94,494 75,170 55,387 45,644 44,530 39,430 38,673 34,366 34,177 34,175 85,057 41,980 46,226 35,344 31,623