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Note 1 - Business Activities and Summary of Significant Accounting Policies - Intangible Assets (Details) (Parentheticals) | 12 Months Ended
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Oct. 31, 2022 | Oct. 31, 2021
Noncompete Agreements [Member] |  |
Amortizable intangible assets, estimated life (Year) | 5 years | 5 years
Customer Relationships [Member] | Minimum [Member] |  |
Amortizable intangible assets, estimated life (Year) | 7 years | 7 years
Customer Relationships [Member] | Maximum [Member] |  |
Amortizable intangible assets, estimated life (Year) | 15 years | 15 years
Order or Production Backlog [Member] | Minimum [Member] |  |
Amortizable intangible assets, estimated life (Year) | 1 year | 1 year
Order or Production Backlog [Member] | Maximum [Member] |  |
Amortizable intangible assets, estimated life (Year) | 2 years | 2 years
Patents [Member] | Minimum [Member] |  |
Amortizable intangible assets, estimated life (Year) | 10 years | 10 years
Patents [Member] | Maximum [Member] |  |
Amortizable intangible assets, estimated life (Year) | 14 years | 14 years
Trade Names [Member] |  |
Amortizable intangible assets, estimated life (Year) | 15 years |
Patented Technology [Member] |  |
Amortizable intangible assets, estimated life (Year) | 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
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