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Leases (Details) - Schedule of recognition of ROU assets and lease liabilities for operating leases - Operating Lease [Member]
12 Months Ended
Jul. 31, 2021
USD ($)
Leases (Details) - Schedule of recognition of ROU assets and lease liabilities for operating leases [Line Items]  
ROU Asset $ 176,097
Amortization (327,864)
Addition - Asset 1,086,027
ROU Asset 934,260
Lease Liability 176,097
Amortization (327,864)
Addition - Liability 1,086,027
Lease Liability 934,260
Lease Liability 503,443
Lease Liability 430,817
Lease Liability 934,260
Operating lease cost: 379,556
Cash paid for amounts included in the measurement of lease labilities  
Operating cashflow from operating leases: $ 379,556
Weighted-average remain lease term-operating lease: 2 years 10 months 24 days
Weighted-average discount rate 5.00%