Note 11 - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Oct. 31, 2022
Finite-Lived Intangible Assets, Net	$ 14,017	$ 15,296
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	(367)	(334)
Finite-Lived Intangible Assets, Net	56	89
Customer Relationships [Member]
Non-compete agreement (estimated life 5 years)	6,058	6,058
Accumulated amortization	(3,364)	(3,074)
Finite-Lived Intangible Assets, Net	2,694	2,984
Order or Production Backlog [Member]
Non-compete agreement (estimated life 5 years)	327	327
Accumulated amortization	(327)	(313)
Finite-Lived Intangible Assets, Net	0	14
Patents [Member]
Non-compete agreement (estimated life 5 years)	368	368
Accumulated amortization	(167)	(143)
Finite-Lived Intangible Assets, Net	201	225
Trade Names [Member]
Non-compete agreement (estimated life 5 years)	1,700	1,700
Accumulated amortization	(161)	(76)
Finite-Lived Intangible Assets, Net	1,539	1,624
Technology-Based Intangible Assets [Member]
Non-compete agreement (estimated life 5 years)	11,100	11,100
Accumulated amortization	(1,573)	(740)
Finite-Lived Intangible Assets, Net	$ 9,527	$ 10,360