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Note 15 - Income Taxes - Components of the Company's Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands | Nov. 30, 2023 | Nov. 30, 2022
--- | --- | ---
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
Deferred Tax Assets, Gross | 293,856 | 286,843
Valuation allowances | (293,536) | (285,611)
Deferred Tax Assets, Net of Valuation Allowance | 320 | 1,232
Notes receivable | 0 | (942)
Capitalized assets and other | (320) | (290)
Deferred Tax Liabilities, Gross | (320) | (1,232)
Net deferred income tax assets (liabilities) | $ 0 | $ 0

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