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Concentrations and Credit Risk (Details 3) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Accounts payable $ 11,157,014 $ 23,134,269
Supplier C [Member]    
Accounts payable $ 2,962,247
Concentration risk, percentage of accounts payable 12.80%
Supplier D [Member]    
Accounts payable $ 1,126,582
Concentration risk, percentage of accounts payable 10.10%