v3.26.3
Note 3 - Property and Equipment (Details Textual) - USD ($)
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Depreciation $ 13,000 $ 13,000
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense    
Depreciation $ 13,000 $ 13,000