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Stockholders’ Equity and Employee Incentive Plans - Summary of Fair Value of Employee Stock Options Estimated using Weighted-Average Assumptions (Details) - Stock options outstanding - shares
6 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award    
Options granted (in shares) 0 0
2021 ESPP    
Share Based Compensation Arrangement By Share Based Payment Award    
Expected term (in years) 9 months 18 days 1 year 7 months 6 days
Expected volatility (as a percent) 66.90% 49.40%
Risk-free interest rate (as a percent) 4.80% 0.20%
Dividend yield 0.00% 0.00%