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Note 2 - Concentrations of Credit Risk (Tables) | 12 Months Ended
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Oct. 31, 2024
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | October 31, |
|  | 2024 |  |  | 2023 |
Wireless provider |  |  | * |  |  |  | 10 | %
Distributor A |  |  | * |  |  |  | 10 | %

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