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Note 15 - Income Taxes (Tables)

12 Months Ended

Nov. 30, 2023

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		Years ended November 30,
		2023				2022				2021
Current:
Canada		$	—			$	—			$	110
Foreign			39				(33	)			27
			39				(33	)		$	137
Deferred:
Canada			—				—				—
Foreign			—				—				—
			—				—				—
Income tax (recovery) expense		$	39			$	(33	)		$	137

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

		Years ended November 30,
		2023				2022				2021
Canada		$	(18,213	)		$	(17,062	)		$	(17,723	)
Foreign			(28,551	)			(36,314	)			(22,676	)
		$	(46,764	)		$	(53,376	)		$	(40,399	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

						Years ended November 30,
						2023								2022								2021
Loss before income taxes						$	(46,764	)						$	(53,376	)						$	(40,399	)
Combined federal and provincial statutory tax rate			27.0	%			(12,626	)			27.0	%			(14,412	)			27.0	%			(10,908	)
Reconciling items:
Non-deductible expenditures			-5.9	%			2,767				-4.5	%			2,411				-6.1	%			2,483
Foreign accrual property income			-3.6	%			1,682				-1.2	%			666				-1.9	%			771
Effect of different statutory tax rates on earnings or losses of subsidiaries			0.9	%			(407	)			1.0	%			(518	)			0.8	%			(323	)
Change in valuation allowance on deferred tax assets			-18.5	%			8,623				-22.3	%			11,852				-20.1	%			8,115
Other			—				—				0.1	%			(32	)			—				(1	)
Income tax (recovery) expense			-0.1	%		$	39				0.1	%		$	(33	)			-0.3	%		$	137

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		As of November 30,
		2023				2022
Deferred tax income assets:
Net operating loss carry forwards		$	193,508			$	188,783
Capital loss carry forwards			47,995				48,264
Mineral properties			624				628
Intangible assets			462				465
Property and equipment			184				198
Investment in affiliates			47,522				44,713
Unpaid interest expense			2,105				2,105
Unrealized loss on investments			196				233
Asset retirement obligation			131				386
Other			1,129				1,068
			293,856				286,843
Valuation allowances			(293,536	)			(285,611	)
			320				1,232
Deferred income tax liabilities:
Notes receivable			—				(942	)
Capitalized assets and other			(320	)			(290	)
			(320	)			(1,232	)
Net deferred income tax assets (liabilities)		$	—			$	—

Summary of Operating Loss Carryforwards [Table Text Block]

Year of Expiry		U.S.				Canada
2024		$	1,032			$	—
2025			1,246				—
2026			13,382				17,795
2027			18,493				1,777
2028			85				—
2029			11,223				11,515
2030			10,916				15,322
2031			16,580				15,249
2032			309,772				18,610
2033			14,529				14,044
2034			15,607				10,104
2035			16,383				9,227
2036			14,764				9,080
2037			14,111				6,037
2038			—				6,153
2039			—				5,578
2040			—				6,642
2041			—				—
2042			—				6,854
2043			—				4,153
Indefinite			72,413				—
		$	530,536			$	158,140

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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