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Note 4 - Concentrations (Tables) | 12 Months Ended
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Sep. 30, 2021
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Year Ended September 30, |
|  | 2021 |  |  | 2020 |
United States |  | $ | 131,285,349 |  |  | $ | 89,021,124 |
All Other Countries |  |  | 9,470,050 |  |  |  | 4,053,390 |
Total Net Sales |  | $ | 140,755,399 |  |  | $ | 93,074,514 |
|  | Year Ended September 30, |
|  | 2021 |  |  | 2020 |
Broadband service providers |  | $ | 98 | % |  | $ | 96 | %
Legacy customers |  |  | 2 | % |  |  | 4 | %
Total Net Sales |  | $ | 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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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