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Note 10 - Capital Stock (Tables)
9 Months Ended
Sep. 30, 2025
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, 2024

  53,562  $9.95   0.5  $226,567 
                 

Issued

  -             

Exercised

  (52,778)            

Redeemed

  -             

Expired

  (784)            
                 

Outstanding as of September 30, 2025

  -  $9.95   0.00  $-