v3.26.1
Income taxes (Details - Effective income tax rate and income tax provision) - USD ($)
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Income Tax Disclosure [Abstract]    
Federal statutory income tax rate and amount $ (120,308) $ (109,899)
Tax Jurisdiction of Domicile [Extensible Enumeration] Income Tax Jurisdiction, Domestic Federal [Member] Income Tax Jurisdiction, Domestic Federal [Member]
Federal statutory income tax rate and amount, percentage 21.00% 21.00%
State and local income taxes, net of federal benefit $ (7,959) $ 0
State and local income taxes, net of federal benefit, percentage 1.40% 0.00%
Permanent differences $ 3,440 $ 0
Permanent differences, percentage (0.60%) 0.00%
Reduction in tax attributes related to debt modification $ 466,089 $ 0
Reduction in tax attributes related to debt modification, percentage (81.40%) 0.00%
Change in valuation allowance $ (341,262) $ 109,899
Change in valuation allowance, percentage 59.60% (21.00%)
Effective income tax rate and provision $ 0 $ 0
Effective income tax rate and provision, percentage 0.00% 0.00%