Operating Leases (Schedule of Effect of Operating Lease Right-of-Use Assets, Liabilities and Rent Expense) (Details) - USD ($)	Jan. 31, 2021	Jul. 31, 2020
Leases [Abstract]
Operating Lease Right-of-Use-Asset	$ 35,826,496	$ 37,077,038
Operating Lease Liability	28,470,232	29,044,966
Monthly Rent Expense	$ 235,350	$ 277,570