Financial Instruments (Details 1) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Statement [Line Items] | ||
| Long-term investments | $ 2,988 | $ 4,151 |
| Amounts receivable | 4,105 | 12,003 |
| MXN [Member] | ||
| Statement [Line Items] | ||
| Cash | 18,714 | 29,172 |
| Due from related parties | 0 | 4,026 |
| Long-term investments | 0 | 0 |
| Reclamation bonds | 0 | 0 |
| Amounts receivable | 12,624 | 11,461 |
| Accounts payable and accrued liabilities | (70,233) | (73,792) |
| Due to related parties | 0 | 0 |
| Finance lease obligations | (1,254) | (4,320) |
| Net exposure | (40,149) | (33,453) |
| US dollar equivalent | (2,220) | (1,863) |
| CDN [Member] | ||
| Statement [Line Items] | ||
| Cash | 2,158 | 1,710 |
| Due from related parties | 335 | 0 |
| Long-term investments | 4,239 | 5,690 |
| Reclamation bonds | 6 | 6 |
| Amounts receivable | 42 | 30 |
| Accounts payable and accrued liabilities | (28) | (311) |
| Due to related parties | (135) | (135) |
| Finance lease obligations | (346) | (430) |
| Net exposure | 6,271 | 6,560 |
| US dollar equivalent | $ 4,420 | $ 4,785 |