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v3.23.3

Share-Based Payments - Narrative (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 18, 2011 | Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2023 | Oct. 31, 2022 | Mar. 29, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted-average grant date fair value (in dollars per share) |  | $ 4.02 | $ 0.00 | $ 3.95 | $ 4.50 |
Share repurchase program, authorized amount |  |  |  |  |  | $ 5,000,000
Treasury stock (in shares) |  |  |  | 120,300 |  |
Treasury stock average price (in dollars per share) |  |  |  | $ 5.73 |  |
Treasury stock approximate value |  |  |  | $ 708,000 |  |
Remaining repurchase amount |  | $ 4,300,000 |  | $ 4,300,000 |  |
Equity Incentive Plan 2021 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for grant (in shares) |  | 1,400,000 |  | 1,400,000 |  |
Expiration term of awards |  |  |  | 10 years |  |
strike price as percent of market value |  |  |  | 100.00% |  |
Equity Incentive Plan 2021 | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for grant (in shares) |  | 2,000,000 |  | 2,000,000 |  |
Equity Incentive Plan 2010 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Expiration term of awards |  |  |  | 10 years |  |
strike price as percent of market value |  |  |  | 100.00% |  |
Equity Incentive Plan 2010 | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares granted, net of forfeitures (in shares) | 30,000,000 |  |  |  |  |

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