Note 5 - Investment in Donlin Gold - Summary of the Company's Investment in Donlin Gold LLC (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Nov. 30, 2023
Current assets: Cash, prepaid expenses, and other receivables	$ 119,892		$ 127,219
Current liabilities: Accounts payable, accrued liabilities and lease obligations	(568)		(703)
Income (Loss) from Equity Method Investments	(2,961)	$ (4,475)
Donlin Gold [Member]
Current assets: Cash, prepaid expenses, and other receivables	3,766		3,410
Non-current assets: Right-of-use assets, property and equipment	1,323		1,456
Non-current assets: Mineral property	32,615		32,615
Current liabilities: Accounts payable, accrued liabilities and lease obligations	(1,221)		(1,669)
Non-current liabilities: Reclamation and lease obligations	(750)		(741)
Net assets	35,733		$ 35,071
Donlin Gold [Member]
Balance – beginning of period	3,071	3,848
Mineral property expenditures	(2,812)	(4,324)
Depreciation	(140)	(139)
Accretion	(9)	(12)
Income (Loss) from Equity Method Investments	(2,961)	(4,475)
Funding	3,623	5,744
Balance – end of period	$ 3,733	$ 5,117