v3.25.1
Note 9 - Stockholders' Equity and Common Stock Warrants (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Outstanding

   

Range of exercise

price per share

 

Expiration dates

Historical Diffusion common stock warrants

    33,386    

$44.55

- $98.48  

May 2025 through February 2026

Historical EIP common stock warrants

    43,618     $19.81  

April 2028

Series A common stock warrants

    2,532,285     $39.24  

April 2027

      2,609,289