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4. Property and Equipment, Net (Details - Property and equipment) - USD ($)
Dec. 31, 2020
Jun. 30, 2020
Business Combinations [Abstract]    
Machinery and equipment $ 184,372 $ 143,930
Leasehold improvements 150,288 112,366
Computer and office equipment 69,177 52,665
Property and equipment, gross 403,839 308,961
Less: Accumulated depreciation (91,526) (68,453)
Property and equipment, net $ 312,313 $ 240,508