Segment Information - Additional Information (Details) - Segment |
12 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Segment Reporting [Abstract] | ||
| Number of operating segments | 1 | |
| Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | srt:ChiefExecutiveOfficerMember | |
| Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description | Our Chief Executive Officer, who serves as our Chief Operating Decision Maker (“CODM”), evaluates performance and allocates resources for the Company (being one reportable segment) based on income (loss) before income taxes, which are consistent with the results in the Company’s Consolidated Statements of Income (Loss). The CODM uses income (loss) before income taxes to allocate resources, including decisions related to capital investments and potential royalty expansion opportunities. | |
| Segment Reporting, Expense Information Used by CODM, Description | The significant segment expenses reviewed by the CODM are consistent with the operating expense line items presented in the Company’s Consolidated Statements of Income (Loss). | |
| Percentage of royalty revenue | 100.00% | 100.00% |