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Note 15 - Income Taxes (Tables) | 12 Months Ended
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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 |

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- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 9 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-9 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 12 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
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