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Note 7 - Concentrations (Tables)
12 Months Ended
Sep. 30, 2022
Notes Tables  
Disaggregation of Revenue [Table Text Block]

 

 Year Ended September 30, 
  

2022

  

2021

  

2020

 

United States

 $255,607  $131,285  $89,022 

All Other Countries

  15,276   9,470   4,053 

Total Net Sales

 $270,883  $140,755  $93,075 

 

 Year Ended September 30, 
  

2022

  

2021

  

2020

 

Broadband service providers

  99%  98%  96%

Legacy customers

  1%  2%  4%

Total Net Sales

  100%  100%  100%