Investments in associates and joint venture - Statement of fair values of the identifiable assets and liabilities of Tinka (Details) - USD ($) |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Disclosure of Investments in associates [Line Items] | ||||
| Acquisition of Tinka Resources Ltd. | $ 400,000 | $ 0 | $ 0 | |
| Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract] | ||||
| Consideration transferred | $ 0 | $ 0 | $ 1,677,000 | |
| Tinka resources Ltd | ||||
| Disclosure of Investments in associates [Line Items] | ||||
| Acquisition of Tinka Resources Ltd. | $ 400,000 | |||
| Proportion of ownership interest in associate | 19.99% | 19.99% | ||