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Note 10 - Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
Jul. 31, 2024
Oct. 31, 2023
Finite-Lived Intangible Assets, Net $ 12,329 $ 13,595
Trademarks 1,174 1,174
Trademarks [Member]    
Trademarks 1,174 1,174
Noncompete Agreements [Member]    
Non-compete agreement (estimated life 5 years) 423 423
Accumulated amortization (411) (378)
Finite-Lived Intangible Assets, Net 12 45
Customer Relationships [Member]    
Non-compete agreement (estimated life 5 years) 6,058 6,058
Accumulated amortization (3,751) (3,461)
Finite-Lived Intangible Assets, Net 2,307 2,597
Order or Production Backlog [Member]    
Non-compete agreement (estimated life 5 years) 327 327
Accumulated amortization (327) (327)
Finite-Lived Intangible Assets, Net 0 0
Patents [Member]    
Non-compete agreement (estimated life 5 years) 368 368
Accumulated amortization (200) (176)
Finite-Lived Intangible Assets, Net 168 192
Trade Names [Member]    
Non-compete agreement (estimated life 5 years) 1,700 1,700
Accumulated amortization (275) (189)
Finite-Lived Intangible Assets, Net 1,425 1,511
Technology-Based Intangible Assets [Member]    
Non-compete agreement (estimated life 5 years) 11,100 11,100
Accumulated amortization (2,683) (1,850)
Finite-Lived Intangible Assets, Net $ 8,417 $ 9,250