v3.26.1
Note 7 - Intangible Assets, Net (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Intangible Asset, Finite-Lived, Amortization Expense $ 9,375 $ 8,597 $ 18,439 $ 15,927
Developed Technology Rights [Member]        
Intangible Asset, Finite-Lived, Amortization Expense $ 0 $ 0 $ 0 $ 0