v3.26.1
Note 4 - Intangible Assets (Details Textual) - USD ($)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Intangible Asset, Finite-Lived, Remaining Amortization Period 6 years  
Intangible Asset, Finite-Lived, Amortization Expense $ 6,817 $ 7,306
Minimum [Member]    
Intangible Asset, Finite-Lived, Useful Life 3 years  
Maximum [Member]    
Intangible Asset, Finite-Lived, Useful Life 15 years