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Intangible Assets (Details) - USD ($)
3 Months Ended 9 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 754 $ 0 $ 1,206 $ 0