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Reclamation Obligations - Additional information (Details) - CAD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Reclamation Obligations [Line Items] |  |
Deposit by Joint Venture Partner |  | $ 99,000
Chartered Bank | Letters Of Credit |  |
Reclamation Obligations [Line Items] |  |
Total borrowing | $ 992,000 |
Elliot Lake |  |
Reclamation Obligations [Line Items] |  |
Discounted rate | 5.72% | 5.45%
Undiscounted amount of estimated future reclamation costs | $ 44,127,000 | $ 45,283,000
MLJV and MWJV |  |
Reclamation Obligations [Line Items] |  |
Discounted rate | 5.72% | 5.45%
Undiscounted amount of estimated future reclamation costs | $ 24,789,000 | $ 24,333,000
Total borrowing | $ 22,972,000 |
Wheeler River and Other |  |
Reclamation Obligations [Line Items] |  |
Discounted rate | 5.72% | 5.45%
Undiscounted amount of estimated future reclamation costs | $ 2,829,000 | $ 3,260,000

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- Definition Represents the Company's best estimate of the present value of the total future reclamation cost, based on assumptions as to what levels of treatment will be required in the future. + References No definition available. + Details
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- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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