v3.26.1
Note 9 - Warrant Liability (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Derivative Liabilities at Fair Value [Table Text Block]
  

Common

 
  

Share

 
  

Purchase

 
  

Warrants

 

Balance as of December 31, 2024

 $1 

Change in fair value of warrant derivative liability

  (1)

Balance as of December 31, 2025

 $