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Note 7 - Concentrations (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
     

Years Ended December 31,

 

Count

   

2022

   

2021

 
1     $ 158,336     $ 68,404  
2       109,000       64,575  
3       92,720       59,420  
4       86,853       56,951  
5       85,360       54,300  
6       68,290       53,625  
7       67,532       45,183  
8       63,302       38,333