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Note 3 - Concentrations of Credit Risk (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Cash, Uninsured Amount	$ 3.4
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Wireless Carrier [Member]
Concentration Risk, Percentage	10.00%	20.00%
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | One Distributor [Member]
Concentration Risk, Percentage	10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Wireless Carrier [Member]
Concentration Risk, Percentage	11.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Distributor Two [Member]
Concentration Risk, Percentage	10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | New Customer 1 [Member]
Concentration Risk, Percentage		14.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | New Customer 2 [Member]
Concentration Risk, Percentage		19.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Distributor [Member] | Maximum [Member]
Concentration Risk, Percentage		10.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Distributor Two [Member] | Maximum [Member]
Concentration Risk, Percentage	10.00%

X

- Definition

The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

+ References

No definition available.

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X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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