v3.26.1
Note 7 - Warrants (Tables)
6 Months Ended
Jun. 30, 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  

Exercised

    (1,828,000 )   $ 0.001  

Outstanding and exercisable at June 30, 2026

    43,890,344     $ 0.65