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Note 13 - Related Parties (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Related Party Transactions [Table Text Block]
  

Years ended

December 31,

 
  

2024

  

2023

 
         

Consulting

 $90,000  $148,500 

Selling general and administrative

  63,546   94,356 

Share-based compensation to directors and officers

  -   1,442 
  $153,546  $244,298