v3.25.2
Stock option liabilities, Changes to Stock Option Liabilities (Details) - USD ($)
3 Months Ended 9 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Derivative Stock Option Liabilities [Abstract]        
Change in fair value of stock option liabilities $ 0 $ 49,500 $ (719,000) $ 50,700
Stock Option Liabilities [Member]        
Derivative Stock Option Liabilities [Abstract]        
Balance beginning period     0  
Stock options fair value upon change De-SPAC transaction (Note 4)     330,090  
Change in fair value of stock option liabilities     (294,441)  
Balance end period $ 35,649   $ 35,649