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