The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_e&doctype=Standard
-URIDate 2021-03-24

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph g
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2021-03-24

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Income Taxes - Summary of Deferred Tax (Assets) and Liabilities (Detail) - CAD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Net deferred tax liabilities	$ 2,536	$ 712	$ 725
Exploration and evaluation assets [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Net deferred tax liabilities	26,258	15,372
Convertible debentures [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Net deferred tax liabilities	241	97
Non-capital losses [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Net deferred tax liabilities	(24,501)	(14,450)
Share issuance costs [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Net deferred tax liabilities	(168)	(249)
Equipment [member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Net deferred tax liabilities	(74)	$ (58)
Marketable Securities [Member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Marketable securities	$ 780