| Line Item | Dec 31, 2025 | Dec 31, 2024 |
|---|---|---|
| Statement of comprehensive income [abstract] | ||
| Revenue | ||
| Cost of Sales | ||
| Income from mine operations | ||
| General and administration expenses | ||
| Exploration and evaluation expenses | ||
| Graphite project expenses | ||
| Reclamation and remediation provision change in estimate | — | |
| Interest and other finance expenses | ||
| Accretion expense | ||
| Interest income | ||
| Foreign exchange gain | ||
| Other income | ||
| Gain on loan modification | ||
| Special warrant issuance cost | ||
| Loss on derivative financial instrument – special warrant | ||
| Total | ||
| Net income (loss) for the year before tax |