Annual report pursuant to Section 13 and 15(d)

Note 4 - Concentrations - Disaggregation of Revenue (Details)

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Note 4 - Concentrations - Disaggregation of Revenue (Details) - USD ($)
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Total Net Sales $ 140,755,399 $ 93,074,514
Percent of net sales 100.00% 100.00%
Broadband Service Providers [Member]    
Percent of net sales 98.00% 96.00%
Legacy Customers [Member]    
Percent of net sales 2.00% 4.00%
Revenue Benchmark [Member] | Geographic Concentration Risk [Member] | UNITED STATES    
Total Net Sales $ 131,285,349 $ 89,021,124
Revenue Benchmark [Member] | Geographic Concentration Risk [Member] | Non-US [Member]    
Total Net Sales $ 9,470,050 $ 4,053,390