Note 6 - Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Feb. 29, 2020	Nov. 30, 2019
Intangibles subject to amortization, Gross Carrying Amount	$ 4,384	$ 4,384
Intangibles subject to amortization, Accumulated Amortization	(1,758)	(1,663)
Intangibles subject to amortization, Intangible Assets, Net	2,626	2,721
Trade names	9,338	9,338
Goodwill	14,117	14,117
Total goodwill and other intangible assets	26,081	26,176
Customer Relationships [Member]
Intangibles subject to amortization, Gross Carrying Amount	3,550	3,550
Intangibles subject to amortization, Accumulated Amortization	(1,152)	(1,088)
Intangibles subject to amortization, Intangible Assets, Net	2,398	2,462
Technology-Based Intangible Assets [Member]
Intangibles subject to amortization, Gross Carrying Amount	834	834
Intangibles subject to amortization, Accumulated Amortization	(606)	(575)
Intangibles subject to amortization, Intangible Assets, Net	$ 228	$ 259

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.

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Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

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