v3.26.3
Income taxes (Tables)
12 Months Ended
Jun. 30, 2026
Income Tax Disclosure [Abstract]  
Schedule of effective tax rate reconciliation
               
    For the
Years Ended
June 30,
 
    2025     2026  
US Statutory income tax rate     21.0 %     21.0 %
State income tax     8.7 %     2.3 %
Tax differences from other jurisdictions     -       (0.4 )%
R&D expense super deduction             (2.7 )%
Change in fair value of simple agreements for future equity     (17.9 )%     (9.0 )%
Change in valuation allowance     (11.8 )%     (11.2 )%
Effective income tax rate     -       -  
Schedule of deferred tax assets liabilities
               
    As of
June 30,
 
    2025     2026  
Deferred tax assets                
Net operating loss carry forward   $ 1,652,998     $ 2,679,040  
R&D expense super deduction     -       322,388  
Bad provision     -       7,985  
Total deferred tax assets     1,652,998       3,009,413  
Less: valuation allowance     (1,652,998 )     (3,009,413 )
Total deferred tax assets, net   $ -     $ -  
Schedule of valuation allowance
               
    For the
Years Ended
June 30,
 
    2025     2026  
Balance at the beginning of the year   $ (748,679 )   $ (1,652,998 )
Additions     (904,319 )     (1,356,415 )
Balance at the end of the year   $ (1,652,998 )   $ (3,009,413 )