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Stockholders’ Equity and Employee Incentive Plans - Additional Information (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 30, 2024 USD ($) vote $ / shares shares | Apr. 30, 2023 USD ($) shares | Jan. 31, 2024 $ / shares shares | Apr. 30, 2019 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Preferred stock, shares authorized (in shares) | shares | 200,000,000 |  | 200,000,000 |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.00001 |  | $ 0.00001 |
Common stock, shares authorized (in shares) | shares | 1,000,000,000 |  | 1,000,000,000 |
Common stock, par value (in dollars per share) | $ / shares | $ 0.00001 |  | $ 0.00001 |
Number of vote (vote) | vote | 1 |  |  |
Dividend declared (in dollars per share) | $ / shares | $ 0 |  | $ 0 |
Total stock-based compensation expense | $ 14,627 | $ 9,276 |  |
Award cliff period (in years) | 1 year |  |  |
ESPP |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Total stock-based compensation expense | $ 600 | $ 300 |  |
Unrecognized stock-based compensation expense related to unvested stock options | $ 2,400 |  |  |
Stock-based compensation expected to be recognized weighted-average period (in years) | 1 year |  |  |
Share purchases related to ESPP (in shares) | shares | 123,778 |  |  |
Minimum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Award requisite service period (in years) | 2 years |  |  |
Maximum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Award requisite service period (in years) | 4 years |  |  |
Stock options outstanding |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Options granted (in shares) | shares | 0 | 0 |  |
Aggregate intrinsic value of options exercised | $ 8,100 | $ 4,200 |  |
Total stock-based compensation expense | 900 | 1,200 |  |
Unrecognized stock-based compensation expense related to unvested stock options | $ 2,600 |  |  |
Stock-based compensation expected to be recognized weighted-average period (in years) | 9 months 18 days |  |  |
Service-Based Restricted Stock Units (RSUs) |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Total stock-based compensation expense | $ 11,600 | 6,800 |  |
Stock-based compensation expected to be recognized weighted-average period (in years) | 1 year 9 months 18 days |  |  |
Aggregate fair value of RSU granted | $ 47,900 | 39,300 |  |
Unrecognized stock-based compensation expense related to service vesting-based RSUs | $ 93,600 |  |  |
Number of shares vested during the period (in shares) | shares | 531,351 |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number (in shares) | shares | 4,984,454 |  | 3,909,920 |
Performance-based Awards |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Total stock-based compensation expense | $ 1,300 | 700 |  |
Stock-based compensation expected to be recognized weighted-average period (in years) | 1 year 4 months 24 days |  |  |
Unrecognized stock-based compensation expense related to service vesting-based RSUs | $ 4,700 |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number (in shares) | shares | 840,000 |  |  |
Market-Based Restricted Stock Units (RSUs) |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Total stock-based compensation expense | $ 300 | $ 200 |  |
Stock-based compensation expected to be recognized weighted-average period (in years) | 10 months 24 days |  |  |
Unrecognized stock-based compensation expense related to service vesting-based RSUs | $ 500 |  |  |
Number of shares vested during the period (in shares) | shares | 79,200 |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number (in shares) | shares | 105,600 |  |  |
Amended Loan | Loans Payable |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Warrants issued to purchase common stock (in shares) | shares |  |  |  | 105,350
Exercise price of warrants or rights (in dollars per share) | $ / shares |  |  |  | $ 7.48
Warrants exercisable period (in years) |  |  |  | 10 years
IPO |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award |  |  |  |
Number of shares outstanding (in shares) | shares | 0 |  |  |
Number of common stock for sale and issuance (in shares) | shares | 0 |  |  |

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