| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EXPENSES | ||||||||||||||||
| Exploration and pre-development | ||||||||||||||||
| General and administration | ||||||||||||||||
| Depreciation | ||||||||||||||||
| OPERATING LOSS | ||||||||||||||||
| OTHER (INCOME) EXPENSES | ||||||||||||||||
| Grant income (Note 8) | ||||||||||||||||
| Interest income | ||||||||||||||||
| Other expenses (income), net | — | — | ||||||||||||||
| Total other expenses (income), net | ||||||||||||||||
| NET LOSS | ||||||||||||||||
| NET LOSS PER SHARE, BASIC | — | |||||||||||||||
| NET LOSS PER SHARE, DILUTED | — |