Material Accounting Policies - Summary of Classification and Measurement of Financial Assets and Liabilities (Details) |
12 Months Ended |
|---|---|
Apr. 30, 2026 | |
| Cash and Restricted Cash | |
| Disclosure Of Financial Instruments [Line Items] | |
| Financial assets, Classification and measurement IFRS 9 | Amortized cost |
| Amounts Receivable | |
| Disclosure Of Financial Instruments [Line Items] | |
| Financial assets, Classification and measurement IFRS 9 | Amortized cost |
| Accounts Payable and Accrued Liabilities | |
| Disclosure Of Financial Instruments [Line Items] | |
| Financial liabilities, Classification and measurement IFRS 9 | Amortized cost |
| Convertible Debentures | |
| Disclosure Of Financial Instruments [Line Items] | |
| Financial liabilities, Classification and measurement IFRS 9 | Amortized cost |
| Deferred Acquisition Payments | |
| Disclosure Of Financial Instruments [Line Items] | |
| Financial liabilities, Classification and measurement IFRS 9 | Amortized cost |