Note 13 - Related Party Transactions (Details Textual) - Donlin Gold [Member] - USD ($) $ in Thousands	3 Months Ended
Feb. 29, 2024	Feb. 28, 2023	Nov. 30, 2023
Accounts Receivable, after Allowance for Credit Loss	$ 184		$ 203
Management and Administrative Services Provided [Member]
Related Party Transaction, Amounts of Transaction	$ 158	$ 246

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
-SubTopic 310
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
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-Topic 954
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-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant