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v3.24.1.1.u2

Note 2 - Concentrations of Credit Risk (Details Textual) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2024 USD ($) | Apr. 30, 2023 | Apr. 30, 2024 USD ($) | Apr. 30, 2023
Cash, Uninsured Amount | $ 0.9 |  | $ 0.9 |
Wireless Carrier [Member] |  |  |  |
Number of Customers | 1 |  |  |
Wireless Carrier [Member] | Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member] |  |  |  |
Concentration Risk, Percentage | 15.00% | 20.00% | 15.00% |
Wireless Carrier [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |
Concentration Risk, Percentage |  | 24.00% |  |
One Distributor [Member] |  |  |  |
Number of Customers | 1 |  |  |
One Distributor [Member] | Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member] |  |  |  |
Concentration Risk, Percentage |  |  |  | 18.00%
One Distributor [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |
Concentration Risk, Percentage | 10.00% |  | 10.00% |
Two Distributors [Member] |  |  |  |
Number of Customers |  |  | 0 |
Two Distributors [Member] | Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member] |  |  |  |
Concentration Risk, Percentage |  |  | 10.00% |
Distributor Two [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |
Concentration Risk, Percentage |  |  | 10.00% |
Distributor One [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |
Concentration Risk, Percentage |  |  |  | 24.00%

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