Supplemental Financial Information - Disclosure of detailed information about supplemental cash flow information (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Disclosure of detailed information about supplemental cash flow information [Abstract] | ||
| Accounts payable and accrued liabilities | $ 1,130 | $ 10 |
| Due to related parties | 201 | (542) |
| Value-added tax receivable | (7,259) | 4,388 |
| Other receivables | (857) | (173) |
| Prepaid expenses | 657 | (62) |
| Income taxes paid | (326) | 0 |
| Changes in non cash working capital items in operating activities | $ (6,454) | $ 3,621 |