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Income Taxes - Significant Components of Temporary Differences, Unused Tax Credits and Unused Tax Losses (Detail) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Non-capital losses available for future periods [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Temporary Differences | $ 122,375 | $ 96,732
Expiry Date | 2029 to 2044 | 2029 to 2043
Convertible debentures [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Temporary Differences | $ 9,925 |
Other [member] |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Temporary Differences | $ 41,489 | $ 14,404

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- Definition The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Details of temporary differences unused tax credit losses expiry date + References No definition available. + Details
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