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Note 11 - Capital Stock (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
  

Shares Under Warrants

  

Weighted Average Exercise Price

  Weighted Average Remaining Contractual Life (in years)  

Aggregate Intrinsic Value of Vested Warrants

 
                 

Outstanding as of December 31, 2023

  105,556  $9.95   1.50  $610,114 
                 

Issued

  -             

Exercised

  -             

Redeemed

  (51,994)            

Expired

  -             
                 

Outstanding as of June 30, 2024

  53,562  $9.95   1.00  $188,003