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 9 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense $ 162 $ 297 $ 1,057 $ 640
Stock options [Member]        
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense 181 297 841 638
Performance stock units [Member]        
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense (105) 57
Restricted stock units [Member]        
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]        
Share-based compensation expense $ 86 $ 159 $ 2