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Income Taxes (Details) - USD ($)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Loss before provision for income taxes $ (5,168,642) $ (6,659,422) $ (2,307,119)
Cayman [Member]      
Loss before provision for income taxes (4,851,668) (6,470,553) (2,307,119)
United States [Member]      
Loss before provision for income taxes (316,142) (188,869)
Hong Kong [Member]      
Loss before provision for income taxes $ (832)