Stock-based Compensation - Weighted-Average Assumptions Used to Estimate Fair Value (Detail) |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Oct. 31, 2022 |
Oct. 31, 2021 |
Oct. 31, 2022 |
Oct. 31, 2021 |
|
Stock options [Member] | ||||
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Volatility | 0.00% | 0.00% | 0.00% | 51.00% |
Risk-free interest rate | 0.00% | 0.00% | 0.00% | 0.98% |
Expected term (years) | 0 years | 0 years | 0 years | 5 years 3 months 7 days |
Dividend yield | 0.00% | 0.00% | 0.00% | 0.00% |
Employee stock purchase plan awards [Member] | ||||
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Volatility | 72.00% | 54.00% | 81.00% | 57.00% |
Risk-free interest rate | 3.78% | 0.05% | 2.32% | 0.06% |
Expected term (years) | 6 months | 6 months | 6 months | 6 months |
Dividend yield | 0.00% | 0.00% | 0.00% | 0.00% |