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Note 2 - Operations and Management Plans (Details Textual) - USD ($) $ in Thousands	Feb. 29, 2024	Nov. 30, 2023
Retained Earnings (Accumulated Deficit)	$ (69,558)	$ (69,575)

X

- Definition

Amount of accumulated undistributed earnings (deficit).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481372/852-10-55-10

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 65
-Paragraph 2
-Subparagraph (g)(2)(i)
-Publisher FASB
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-Topic 944
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-Topic 946
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-Topic 944
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(a)(4))
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-Topic 946
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.6-04(17))
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Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
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-Name Accounting Standards Codification
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-Publisher FASB
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-Topic 210
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant