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Note 8 - Revenue (Tables) | 9 Months Ended
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Jun. 30, 2025
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Nine months Ended June 30, |
(In thousands) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
United States |  | $ | 37,413 |  |  | $ | 32,300 |  |  | $ | 106,590 |  |  | $ | 86,823 |
All other countries |  |  | 12,490 |  |  |  | 16,493 |  |  |  | 25,957 |  |  |  | 33,110 |
Total Net Sales |  | $ | 49,903 |  |  | $ | 48,793 |  |  | $ | 132,547 |  |  | $ | 119,933 |
|  | Three Months Ended June 30, |  |  | Nine months Ended June 30, |
(In thousands) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Broadband service providers |  |  | 95 | % |  |  | 94 | % |  |  | 94 | % |  |  | 94 | %
Other customers |  |  | 5 | % |  |  | 6 | % |  |  | 6 | % |  |  | 6 | %
Total Net Sales |  |  | 100 | % |  |  | 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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