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Note 7 - Concentrations (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
     

Three Months Ended March 31,

 

Count

   

2025

   

2024

 
1     $ 191,682     $ 25,130  
2       30,000       18,721  
3       18,946       10,389  
4       -       8,570  
5       -       6,619