Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense - USD ($)
$ in Thousands
3 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]    
Share-based compensation expense $ 216 $ 167
Restricted stock [Member]    
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]    
Share-based compensation expense 150 167
Stock options and performance stock units [Member]    
Stockholders’ Equity (Details) - Schedule of amounts of share-based compensation expense [Line Items]    
Share-based compensation expense $ 66