v3.26.1
Note 3 - Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   

March 31,

 
   

2026

   

2025

 

Common stock warrants

    2,575,903       2,609,289  

Stock options

    1,285,806       909,438  
      3,861,709       3,518,727