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TIMBERLINE ACQUISITION - Fair value of assets and liabilities assumed (Details) - USD ($) $ in Thousands | Aug. 19, 2024 | Sep. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Purchase price: |  |  |  |
Cash and cash equivalents |  | $ 29,226 | $ 23,020 |
Accounts payable and accrued liabilities |  | (28,832) | (22,656) |
Asset retirement obligation |  | (43,869) | (43,021) | $ (41,846)
Deferred income tax liability |  | $ (36,861) | $ (40,572) |
Timberline |  |  |  |
Purchase price: |  |  |  |
Common shares | $ 18,301 |  |  |
Warrants | 913 |  |  |
Direct acquisition costs | 52 |  |  |
Previously held equity interest | 563 |  |  |
Notes receivable | 1,897 |  |  |
Purchase price | 21,726 |  |  |
Cash and cash equivalents | 603 |  |  |
Prepaid and other current assets | 64 |  |  |
Mineral property interests | 22,369 |  |  |
Restrictive time deposits | 529 |  |  |
Accounts payable and accrued liabilities | (477) |  |  |
Asset retirement obligation | (256) |  |  |
Deferred income tax liability | (1,106) |  |  |
Assets net | $ 21,726 |  |  |

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