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Note 8 - Warrants (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
          

Weighted Average

 
      

Weighted Average

  

Remaining

 
  

Shares

  

Exercise Price

  

Contractual Term

 

Outstanding as of December 31, 2025

  4,764,386  $1.0900   2.69 

Issued – January 02, 2026

  586,441   0.8526    

Exercise of Series F Warrants

  (1,799,847)  0.8526    

Outstanding as of March 31, 2026

  3,550,980  $1.0313

*

  2.57 

Exercisable as of March 31, 2026

  3,550,980  $1.0313

*

  2.57 
          

Weighted Average

 
      

Weighted Average

  

Remaining

 
  

Shares

  

Exercise Price

  

Contractual Term

 

Outstanding as of December 31, 2025

  60,983  $1.9400   3.75 

Outstanding as of March 31, 2026

  60,983   1.9400   3.50 

Exercisable as of March 31, 2026

  60,983  $1.9400   3.50