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Note 11 - Related Parties (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Related Party Transactions [Table Text Block]
       
  

2022

  

2021

 
         

Consulting

 $90,000  $- 

Selling general and administrative

  65,742   51,468 

Share-based compensation to directors and officers

  40,761   124,703 
  $196,503  $176,171