Note 12 - Related Party Transactions (Details Textual) - Donlin Gold [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023	Nov. 30, 2023
Accounts Receivable, after Allowance for Credit Loss	$ 175		$ 175		$ 203
Management and Administrative Services Provided [Member]
Related Party Transaction, Amounts of Transaction	$ 227	$ 233	$ 645	$ 830

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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Balance Type:	debit
Period Type:	instant