v3.26.3
Note 6 - Stock-based Compensation Expense - 10Q (Tables)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Notes Tables    
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended June 30,

   

Six Months Ended June 30,

 
   

2026

   

2025

   

2026

   

2025

 

Research and development expense

  $ 107,671     $ 130,323     $ 215,848     $ 260,639  

General and administrative expense

    56,075       162,417       167,215       324,845  

Total

  $ 163,746     $ 292,740     $ 383,063     $ 585,484  
   

2025

   

2024

 

Stock options:

               

Research and development

  $ 513,867     $ 222,202  

General and administrative

    597,120       252,275  

Total stock option expense

    1,110,987       474,477  

Stock awards:

               

General and administrative

    4,167       54,167  

Total stock-based compensation expense

  $ 1,115,154     $ 528,644