Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Shedule of performance stock units activity

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Stockholders' Equity (Details) - Shedule of performance stock units activity - Executive Officer [Member] - Performance Shares [Member] - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jan. 03, 2019
Jan. 31, 2020
Jul. 31, 2018
Stockholders' Equity (Details) - Shedule of performance stock units activity [Line Items]      
Total Grant 80,500   32,000
Forfeitures (10,500) (14,500) (4,000)
Outstanding 70,000   28,000
Fair Market Value At Grant Date (in Dollars) $ 196   $ 124