v3.25.2
Convertible debentures, Embedded Derivative Liabilities (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Jul. 31, 2024
Embedded Derivative Liabilities [Abstract]          
Balance beginning period     $ 919,250    
Change in fair value of derivative liabilities $ 0 $ 49,500 (719,000) $ 50,700  
Balance end period 72,500   72,500   $ 919,250
Related Party [Member]          
Embedded Derivative Liabilities [Abstract]          
Balance beginning period     919,250 $ 0 0
Derivative liability component of certain issued convertible debentures     138,250   73,550
Change in fair value of derivative liabilities     (719,000)   845,700
Transferred to equity     (266,000)    
Balance end period $ 72,500   $ 72,500   919,250
Transaction costs         36,484
Related Party [Member] | Envviron SAS [Member] | General and Administrative Expenses [Member]          
Embedded Derivative Liabilities [Abstract]          
Transaction costs         40,227
Host financial liability         36,484
Embedded derivative         $ 3,743