v3.26.1
Note 9 - Stockholders' Equity and Common Stock Warrants (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Outstanding

   

Exercise price

per share

   

Expiration dates

 

Historical EIP common stock warrants

    43,618     $ 19.81    

April 2028

 

2026 Pre-Funded Warrants

    1,592,863     $ 0.001       N/A  

Series A Warrants

    2,532,285     $ 39.24    

April 2027

 

Series B Warrants

    3,360,377     $ 3.32    

June 2031

 

Series C Warrants

    3,360,377     $ 3.14    

June 2027

 

Placement Agent Warrants

    150,000     $ 5.00    

June 2031

 
      11,039,520