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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jun. 30, 2021
Accounting Policies [Abstract]  
Schedule of estimated useful lives of assets
    Useful life
Leasehold improvements   The shorter of remaining lease terms or the estimated useful lives
Automobiles   5 years
Equipment and office furniture   1-5 years

 
Schedule of amortization is computed using the straight-line method
    Useful life
Customer contracts   10 years
Customer relationship   5 – 10 years
Software   3 – 5 years

 
Schedule of fair value financial assets and liabilities
   Fair Value Measurements as of 
June 30, 2021		 
   Quoted Price in
Active Market
for Identical
Assets 
(Level 1)		   Significant
Other
Observable
Inputs 
(Level 2)		   Unobservable
inputs
(Level 3)		 
Fair value measurements            
Recurring            
Short-term investments            
Trading securities  $
                  -
   $4,158,535   $
             -
 

 

   Fair Value Measurements as of 
June 30, 2020		 
   Quoted Price in
Active Market
for Identical
Assets 
(Level 1)		   Significant
Other
Observable
Inputs 
(Level 2)		   Unobservable
inputs
(Level 3)		 
Fair value measurements            
Recurring            
Short-term investments            
Trading securities  $
                  -
   $636,934   $
             -