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8. Commitments and Contingencies (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Anydata [Member]        
Purchase commitment $ 3,100,000   $ 3,100,000  
Quanta [Member]        
Purchase commitment 2,900,000   2,900,000  
Payment made for inventory 100,000   100,000  
Prepaid expense 49,580   49,580  
Cost of goods sold 149,580      
Administrative office, San Diego, CA [Member]        
Rent Expense $ 77,263 $ 77,263 $ 231,789 $ 221,231
Operating lease discount rate 4.00%   4.00%  
Administrative office, Korea [Member]        
Rent Expense $ 32,100 32,100 $ 96,300 96,300
Operating lease discount rate 2.80%   2.80%  
Employee [Member]        
Rent Expense $ 2,316 $ 2,146 $ 6,843 $ 6,667