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Pay vs Performance Disclosure - USD ($)
3 Months Ended 9 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Apr. 30, 2024
Apr. 30, 2023
Pay vs Performance Disclosure        
Net loss $ 2,795,000 $ (7,458,000) $ (9,200,000) $ (23,359,000)