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Schedule of Maturity of Lease Liabilities (Details)
Jul. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 399,669
2021 459,475
2022 448,831
2023 436,264
2024 448,422
Thereafter 166,892
Less: imputed interest (683,537)
Operating lease liabilities $ 1,676,016