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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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