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Pay vs Performance Disclosure - USD ($)
3 Months Ended 6 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2024
Jan. 31, 2023
Pay vs Performance Disclosure        
Net loss $ (10,558,000) $ (4,805,000) $ (11,995,000) $ (15,901,000)