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Note 13 - Related Party Transactions (Details Textual) - Donlin Gold [Member] - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Nov. 30, 2024
Accounts Receivable, after Allowance for Credit Loss	$ 349		$ 212
Management and Administrative Services Provided [Member]
Related Party Transaction, Amounts of Transaction	$ 176	$ 158

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
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-Section 50
-Paragraph 3
-Publisher FASB
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Period Type:	duration

X

- Details

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Namespace Prefix:
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- Details

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Period Type: