Quarterly report pursuant to Section 13 or 15(d)

Stockholders??? Equity (Details) - Schedule of amounts of share-based compensation expense

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Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense $ 679 $ 176 $ 895 $ 343
Stock options [Member]        
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense 510 175 660 341
Performance stock units [Member]        
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense 96 162
Restricted stock units [Member]        
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense $ 73 $ 1 $ 73 $ 2