v3.26.1
Note 14 - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)
3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Tax Jurisdiction of Domicile [Extensible Enumeration] Income Tax Jurisdiction, Domestic Federal [Member]  
Tax at U.S. federal statutory rate (21.0%) 21.00% 21.00%
Tax at U.S. federal statutory rate (21.0%) $ 7,216 $ 69,118
State and local income taxes, net of federal benefit (9.00%) (9.00%)
State and local income taxes, net of federal benefit $ (3,092) $ (29,622)
Foreign tax effects 0.00% 0.00%
Foreign tax effects $ 0 $ 0
Effect of changes in tax laws or rates enacted in the current period 0.00% 0.00%
Effect of changes in tax laws or rates enacted in the current period $ 0 $ 0
Effect of cross-border tax laws 0.00% 0.00%
Effect of cross-border tax laws $ 0 $ 0
Tax credits 0.00% 0.00%
Tax credits $ 0 $ 0
Changes in valuation allowance 178.30% 7.00%
Changes in valuation allowance $ 61,286 $ 23,043
Nontaxable or nondeductible items (184.50%) (19.50%)
Nontaxable or nondeductible items $ (63,410) $ (64,039)
Changes in unrecognized tax benefits 0.00% 0.00%
Changes in unrecognized tax benefits $ 0 $ 0
Income tax expense and effective tax rate 5.80% 0.50%
Total benefit (provision) for income taxes $ 2,000 $ 1,500