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Summary of Significant Accounting Policies (Details) - Schedule of estimated useful lives of assets
12 Months Ended
Jun. 30, 2021
Leasehold improvements [Member]  
Public Utility, Property, Plant and Equipment [Line Items]  
Estimated useful lives of the assets The shorter of remaining lease terms or the estimated useful lives
Automobiles [Member]  
Public Utility, Property, Plant and Equipment [Line Items]  
Useful life 5 years
Minimum [Member] | Equipment and office furniture [Member]  
Public Utility, Property, Plant and Equipment [Line Items]  
Useful life 1 year
Maximum [Member] | Equipment and office furniture [Member]  
Public Utility, Property, Plant and Equipment [Line Items]  
Useful life 5 years