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Income Tax -Temporary differences between the carrying amounts of assets and liabilities (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | $ 82,116 | $ 81,788
Non-capital loss carry-forwards |  |
Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | 29,192 | 37,505
Exploration and evaluation properties |  |
Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | 19,937 | 16,521
Capital loss carry-forward |  |
Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | 21,542 | 20,059
Other |  |
Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | $ 11,445 | $ 7,703

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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 2022-03-24 -Paragraph 81 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_e&doctype=Standard -URIDate 2022-03-24 + Details
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