Quarterly report [Sections 13 or 15(d)]

Note 18 - Warrants (Tables)

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Note 18 - Warrants (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
           

Weighted-

 
           

Average

 
           

Exercise

 
   

Warrants

   

Price

 

Warrants Outstanding as of January 1, 2025

    3,255,820     $ 2.41  

Issued

    1,440,427     $ 0.42  

Expired

    (451,960 )   $ 6.99  

Warrants Outstanding as of September 30, 2025

    4,244,287     $ 1.25  
Schedule of Warrants and Rights, Valuation Assumptions [Table Text Block]
   

September 30, 2025

 

Expected Term (in Years)

    3.0  

Volatility

    109.5 %

Risk-Free Interest Rate

    4.3 %

Dividend Yield

    0.0 %