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Note 7 - Concentrations (Tables) | 12 Months Ended
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Sep. 30, 2023
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
Year Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
United States |  | $ | 218,835 |  |  | $ | 255,607 |  |  | $ | 131,285 |
All Other Countries |  |  | 49,885 |  |  |  | 15,276 |  |  |  | 9,470 |
Total Net Sales |  | $ | 268,720 |  |  | $ | 270,883 |  |  | $ | 140,755 |
Year Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Broadband service providers |  |  | 97 | % |  |  | 99 | % |  |  | 98 | %
Other customers |  |  | 3 | % |  |  | 1 | % |  |  | 2 | %
Total Net Sales |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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