| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating expenses: | ||||||||||||||||
| Professional fees | ||||||||||||||||
| General and administrative | ||||||||||||||||
| Research and development | ||||||||||||||||
| Exploration and evaluation | — | — | — | |||||||||||||
| Total operating expenses | ||||||||||||||||
| Net operating loss | ||||||||||||||||
| Other income (expense): | ||||||||||||||||
| Interest expense | ||||||||||||||||
| Change in fair value of derivative liability | ||||||||||||||||
| Impairment expense | — | — | ||||||||||||||
| Other income (expense) | ||||||||||||||||
| Total other income (expense) | ||||||||||||||||
| Net loss before income taxes | ||||||||||||||||
| Net loss | ||||||||||||||||
| Net loss per share: Basic (in Dollars per share) | ||||||||||||||||
| Net loss per share: Diluted (in Dollars per share) |