v3.26.1
Note 7 - Warrants (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Common Stock

from

Warrants

   

Weighted-average
Exercise Price
(per share)

 

Outstanding at December 31, 2025

    39,319,028     $ 0.72  

Granted

    6,399,316     $ 0.001  

Outstanding and exercisable at March 31, 2026

    45,718,344     $ 0.62