Note 2 - Concentrations of Credit Risk (Details Textual) - USD ($)	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Cash, Uninsured Amount	$ 668,000
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Wireless Carrier [Member]
Concentration Risk, Percentage	10.00%	10.00%
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Distributor Two [Member]
Concentration Risk, Percentage		10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Wireless Carrier [Member]
Concentration Risk, Percentage	15.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | One Distributor [Member]
Concentration Risk, Percentage	10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Distributor One [Member]
Concentration Risk, Percentage			10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Distributor Two [Member]
Concentration Risk, Percentage		11.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Distributor [Member]
Concentration Risk, Percentage	10.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Distributor One [Member] | Maximum [Member]
Concentration Risk, Percentage	10.00%