Quarterly report pursuant to Section 13 or 15(d)

Net Income Loss Per Share - Computation of Basic and Diluted Net Loss Per Common Share (Detail)

v3.20.2
Net Income Loss Per Share - Computation of Basic and Diluted Net Loss Per Common Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Numerator            
Net loss $ (11,793) $ (16,691) $ (24,477) $ (32,997) $ (62,078) $ (61,104)
Denominator            
Weighted-average common shares outstanding 27,135,107 20,817,466 26,964,717 20,201,819    
Less: Weighted-average shares subject to repurchase (17,675) (58,070) (19,420) (63,063)    
Denominator for basic and diluted net loss per share 27,117,432 20,759,396 26,945,297 20,138,756    
Basic and diluted net loss per share $ (0.43) $ (0.80) $ (0.91) $ (1.64)