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Intangible Assets, Net (Details) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Intangible Assets, Net (Details) [Line Items]      
Amortization expense $ 273,178 $ 232,871 $ 164,351
Ridik Pte. Ltd. ("Ridik Pte.") [Member]      
Intangible Assets, Net (Details) [Line Items]      
Customer relationship   $ 896,572  
Estimated useful life   10 years  
Career Win [Member]      
Intangible Assets, Net (Details) [Line Items]      
Customer relationship $ 127,002    
Estimated useful life 5 years