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Note 1 - Business Activities and Summary of Significant Accounting Policies - Schedule of Goodwill (Details) - USD ($) | Oct. 31, 2024 | Oct. 31, 2023
--- | --- | ---
Goodwill | $ 8,084,569 | $ 8,085,000
Custom Cabling Manufacturing and Assembly [Member] | Cables Unlimited [Member] |  |
Goodwill | 382,685 |
Custom Cabling Manufacturing and Assembly [Member] | Rel-Tech Electronics [Member] |  |
Goodwill | 832,556 |
Custom Cabling Manufacturing and Assembly [Member] | Schrofftech [Member] |  |
Goodwill | 1,127,189 |
RF Connector Segment [Member] | RF Connector and Cable Assembly [Member] |  |
Goodwill | 125,000 |
RF Connector Segment [Member] | Microlab/FXR LLC [Member] |  |
Goodwill | $ 5,617,139 |

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