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7. Commitments and Contingencies (Details Narrative) - USD ($)
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Anydata [Member]    
Purchase commitment $ 3,100,000  
Quanta [Member]    
Purchase commitment 2,900,000  
Payment made for inventory 100,000  
Prepaid expense 49,580  
Administrative office, San Diego, CA [Member]    
Rent Expense $ 77,263 $ 69,344
Operating lease discount rate 4.00%  
Administrative office, Korea [Member]    
Rent Expense $ 2,190 $ 2,304
Operating lease discount rate 2.80%