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Note 7 - Concentrations (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
     

Six Months Ended June 30,

 

Count

   

2023

   

2022

 
1     $ 175,020     $ 63,096  
2       32,884       56,089  
3       25,559       34,872  
4       24,034       34,003  
5       23,660       33,073