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Equity (Details) - Schedule of general and administrative expense - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Schedule of general and administrative expense [Abstract]        
General and administrative $ 7,756 $ 400 $ 15,419 $ 507
Research and development 274 105 464 212
Forfeiture of RSUs within general and administrative (18,978) (18,978)
Net stock-based compensation expense $ (10,948) $ 505 $ (3,095) $ 719