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Note 7 - Concentrations (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
     

Nine Months Ended September 30,

 

Count

   

2022

   

2021

 
1     $ 106,373     $ 61,350  
2       86,854       54,300  
3       63,302       50,095  
4       58,662       42,294  
5       48,450       40,821