v3.21.1
Net loss per share attributable to common stockholders - Schedule of computation (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2019
Numerator:      
Net loss $ (27,292) $ (20,293) $ (15,062)
Preferred stock dividends paid 0 (14,955) 0
Accretion of redeemable convertible preferred stock to redemption value 0 (56,175) (30,199)
Net loss attributable to common stockholders, basic and diluted $ (27,292) $ (91,423) $ (45,261)
Denominator:      
Weighted-average shares of common stock outstanding, basic and diluted (in shares) 39,519,640 20,301,189 1,844,929
Net loss attributable to common stockholders (in USD per share) $ (0.69) $ (4.50) $ (24.53)