Quarterly report pursuant to Section 13 or 15(d)

Presentation and Summary of Significant Accounting Policies - Computation of Basic and Diluted Net Loss Per Common Share (Detail)

v3.8.0.1
Presentation and Summary of Significant Accounting Policies - Computation of Basic and Diluted Net Loss Per Common Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Numerator    
Net loss $ (13,049) $ (5,847)
Accretion of redeemable convertible preferred stock   (1,073)
Net loss attributable to common stockholders $ (13,049) $ (6,920)
Denominator    
Weighted-average common shares outstanding 16,208,692 2,577,919
Less: Weighted-average shares subject to repurchase (139,143) (338,527)
Denominator for basic and diluted net loss per share attributable to common stockholders 16,069,549 2,239,392
Basic and diluted net loss per share attributable to common stockholders $ (0.81) $ (3.09)