v3.25.4
Convertible debentures - Embedded Derivative Liabilities (Details) - Envviron SAS [Member] - Related Party [Member] - USD ($)
6 Months Ended 12 Months Ended
Jan. 31, 2026
Jul. 31, 2025
Convertible debentures [Abstract]    
Balance beginning period $ 72,500 $ 919,250
Derivative liability component   138,250
Change in fair value of derivative liabilities 1,500 (719,000)
Transferred to equity   (266,000)
Balance end period $ 74,000 $ 72,500