Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details) - Schedule of benefit for income taxes

v3.21.2
Income Taxes (Details) - Schedule of benefit for income taxes - USD ($)
12 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2019
Schedule of benefit for income taxes [Abstract]      
Federal
State and local
Foreign
Deferred benefit
Benefit for income taxes