Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Stockholders’ Equity (Details) - Schedule of share-based compensation expense - USD ($)
$ in Thousands
3 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Stockholders’ Equity (Details) - Schedule of share-based compensation expense [Line Items]    
Share-based compensation expense $ 167 $ 219
Stock options [Member]    
Stockholders’ Equity (Details) - Schedule of share-based compensation expense [Line Items]    
Share-based compensation expense 166 218
Restricted stock [Member]    
Stockholders’ Equity (Details) - Schedule of share-based compensation expense [Line Items]    
Share-based compensation expense $ 1 $ 1