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Warrant liabilities, Impact of Change in Functional Currency (Details)
12 Months Ended
Nov. 04, 2024
USD ($)
shares
Oct. 29, 2024
USD ($)
Oct. 08, 2024
USD ($)
Aug. 01, 2024
USD ($)
shares
Nov. 04, 2022
USD ($)
shares
Jul. 31, 2025
USD ($)
Jul. 31, 2024
USD ($)
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Nov. 06, 2024
$ / shares
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Oct. 29, 2024
$ / shares
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Oct. 08, 2024
$ / shares
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Sep. 22, 2023
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Aug. 22, 2023
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Aug. 04, 2023
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Warrants and Rights Note Disclosure [Abstract]                          
Warrants outstanding (in shares) | shares             132,811 22,699,987          
Warrant Issued (in shares) | shares         121,995                
Derivative liability         $ 1,836,666 $ 72,500 $ 919,250            
Fair value of the warrant liabilities       $ 454,571   $ (1,728,392) $ 0            
Warrants expected remaining life     2 years     4 years 2 months 26 days 8 months 12 days            
Warrants exercisable (in shares) | shares                   1,122      
Warrants exercised price per share (in dollars per share) | $ / shares               $ 1.52 $ 13.08 $ 67.3 $ 13.08 $ 13.08 $ 13.08
Warrants exercisable period     2 years                    
Conversion of warrants issued     $ 7,500                    
Fair value of warrants exercised   $ 303,492   141,096                  
Consolidation ratio               0.09692          
Liability Classified Warrants [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Warrants outstanding (in shares) | shares 92,917                        
Fair value of the warrant liabilities $ 0                        
Warrants exercisable (in shares) | shares                 9,176        
Warrants exercised price per share (in dollars per share) | $ / shares                 $ 13.08        
Fair value of warrants exercised       25,067                  
Equity Classified Warrants [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Warrants outstanding (in shares) | shares 10,816                        
Fair value of the warrant liabilities       0                  
Warrant Liabilities [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Fair value of warrants exercised           $ (303,492)              
Change in fair value of warrant liabilities (exercised warrants)           $ 162,396              
ASC 815 [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Derivative liability       $ 1,382,096                  
ASC 718 [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Warrants outstanding (in shares) | shares       10,816                  
Dividend Yield [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Measurement input           0 0     0      
Expected Volatility [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Measurement input           1.50 1.05     0.925      
Risk-free Interest Rate [Member]                          
Warrants and Rights Note Disclosure [Abstract]                          
Measurement input           0.0301 0.0349     0.0453