v3.26.3
Note 6 - Stock-Based Compensation Expense - Schedule of Stock-Based Compensation Expense - 10Q 2 (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Total stock-based compensation expense         $ 1,115,154 $ 528,644
Share-Based Payment Arrangement, Option [Member]            
Total stock-based compensation expense $ 163,746 $ 292,740 $ 383,063 $ 585,484 $ 1,110,987 $ 474,477
Share-Based Payment Arrangement, Option [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense            
Total stock-based compensation expense 56,075 162,417 167,215 324,845    
Share-Based Payment Arrangement, Option [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense            
Total stock-based compensation expense $ 107,671 $ 130,323 $ 215,848 $ 260,639