Net Loss Per Ordinary Share - Computation of Basic and Diluted Net Loss Per Ordinary Share (Detail) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2022 |
Jan. 31, 2021 |
Jan. 31, 2020 |
|
| Numerator: | |||
| Net loss | $ (26,411) | $ (59,786) | $ (44,792) |
| Denominator: | |||
| Weighted-average ordinary shares - basic | 36,577,120 | 34,679,717 | 33,083,562 |
| Weighted-average ordinary shares - diluted | 36,577,120 | 34,679,717 | 33,083,562 |
| Net loss per ordinary share: | |||
| Basic | $ (0.72) | $ (1.72) | $ (1.35) |
| Diluted | $ (0.72) | $ (1.72) | $ (1.35) |