v3.26.3
Equity - Shares issued for settlement of accrued compensation (Details)
12 Months Ended
Jun. 11, 2026
USD ($)
shares
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Value of shares issued for service   $ 100,000  
Jinghai Jiang      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Amount of accrued compensation agreed for settlement   $ 100,000 $ 100,000
Jinghai Jiang | Class B Ordinary Shares      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share issuance | shares 11,236    
Aggregate fair value $ 100,000    
Conversion of stock from one class to another class 1