Note 6 - Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	May 31, 2025	Nov. 30, 2024
Intangibles subject to amortization, Intangible Assets, Net	$ 91
Trade names	6,848	$ 6,848
Total goodwill and other intangible assets	6,939	6,968
Goodwill	7,217	7,217
Customer Relationships [Member]
Intangibles subject to amortization, Gross Carrying Amount	512	512
Intangibles subject to amortization, Accumulated Amortization	(421)	(392)
Intangibles subject to amortization, Intangible Assets, Net	$ 91	$ 120