Note 11 - Intangible Assets - Intangible Assets (Details) (Parentheticals)	Jul. 31, 2023	Oct. 31, 2022
Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	5 years	5 years
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	7 years	7 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	15 years	15 years
Order or Production Backlog [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	1 year	1 year
Order or Production Backlog [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years	2 years
Patents [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years	10 years
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	14 years	14 years
Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	15 years	15 years
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Asset, Useful Life	10 years	10 years