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OPERATING LEASES (Schedule of Undiscounted Cash Flows Operating Lease Liabilities) (Details) - USD ($)
Jul. 31, 2021
Jul. 31, 2020
Apr. 30, 2020
Jul. 31, 2019
Leases [Abstract]        
2022 $ 2,116,363      
2023 2,132,944      
2024 2,150,128      
2025 2,167,284      
2026 2,223,672      
Thereafter 25,327,631      
Total undiscounted cash flows 36,118,022      
Less: present value discount (8,277,092)      
Total Lease Liabilities $ 27,840,930 $ 29,044,966 $ 29,326,365 $ 17,863,507