Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Schedule of Earnings Per Share, Basic and Diluted (Detail)

v3.19.3
Net Loss Per Share - Schedule of Earnings Per Share, Basic and Diluted (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Earnings Per Share [Abstract]        
Net loss $ (10,669) $ (7,483) $ (27,447) $ (19,429)
Weighted average shares outstanding—basic and diluted 32,866,467 32,381,010 32,759,194 30,040,926
Basic and diluted loss per share $ (0.32) $ (0.23) $ (0.84) $ (0.65)
Anti-dilutive stock options, restricted stock units and performance stock units     5,688,399 4,235,535