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2. Summary of Significant Accounting Policy (Details - Concentrations) - Accounts Receivable [Member]
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Concentration percentage 93.29% 100.00%
Customer A [Member]    
Concentration percentage 36.36% 38.97%
Customer B [Member]    
Concentration percentage 30.07% 32.24%
Customer C [Member]    
Concentration percentage 26.86% 28.79%