Segmented and geographic information, and major customers (Narrative) (Details) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Three major customers [Member] | ||
| Disclosure of operating segments [line items] | ||
| Percentage of entity's revenue | 100.00% | |
| Three major customers [Member] | Cosal Operations [Member] | ||
| Disclosure of operating segments [line items] | ||
| Percentage of entity's revenue | 49.00% | |
| Three major customers [Member] | Galena Complex [Member] | ||
| Disclosure of operating segments [line items] | ||
| Percentage of entity's revenue | 51.00% | |
| Two major customers [Member] | ||
| Disclosure of operating segments [line items] | ||
| Percentage of entity's revenue | 91.00% | |
| Two major customers [Member] | Cosal Operations [Member] | ||
| Disclosure of operating segments [line items] | ||
| Percentage of entity's revenue | 45.00% | |
| Two major customers [Member] | Galena Complex [Member] | ||
| Disclosure of operating segments [line items] | ||
| Percentage of entity's revenue | 46.00% | |