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Note 10 - Intangible Assets - Intangible Assets (Details) (Parentheticals)	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024
Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	5 years		5 years
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		7 years	7 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		15 years	15 years
Order or Production Backlog [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	1 year		1 year
Order or Production Backlog [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years		2 years
Patents [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		10 years	10 years
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		14 years	14 years
Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		15 years	15 years
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years		10 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OrderOrProductionBacklogMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TechnologyBasedIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: