v3.26.1
Note 9 - Net Loss Per Share (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   

June 30,

 
   

2026

   

2025

 
                 

Stock options to purchase common stock

    502,932       167,469  

Common stock warrants

    7,846,514       3,148,618  
Restricted stock units     287,420        —  

Total

    8,636,866       3,316,087