Note 5 - Investment in Donlin Gold - Summary of the Company's Investment in Donlin Gold LLC (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Nov. 30, 2024
Current assets: Cash, prepaid expenses, and other receivables	$ 94,638		$ 102,754
Current liabilities: Accounts payable, accrued liabilities and lease obligations	(934)		(1,371)
Income (Loss) from Equity Method Investments	(2,299)	$ (2,961)
Donlin Gold [Member]
Current assets: Cash, prepaid expenses, and other receivables	4,632		3,745
Non-current assets: Right-of-use assets, property and equipment	846		965
Non-current assets: Mineral property	32,654		32,654
Current liabilities: Accounts payable, accrued liabilities and lease obligations	(1,390)		(1,947)
Non-current liabilities: Reclamation and lease obligations	(830)		(820)
Net assets	35,912		$ 34,597
Donlin Gold [Member]
Balance – beginning of period	2,597	3,071
Mineral property expenditures	(2,170)	(2,812)
Depreciation	(119)	(140)
Accretion	(10)	(9)
Income (Loss) from Equity Method Investments	(2,299)	(2,961)
Funding	3,614	3,623
Balance – end of period	$ 3,912	$ 3,733