Quarterly report pursuant to Section 13 or 15(d)

Certain Risks and Concentrations (Details Textual)

v3.19.3
Certain Risks and Concentrations (Details Textual) - Major Customers [Member]
9 Months Ended 12 Months Ended
Sep. 30, 2019
Customer
Supplier
Dec. 31, 2018
Customer
Supplier
Customer Six [Member]    
Certain Risks and Concentrations (Textual)    
Concentration risk, Percentage 10.00%  
Accounts Receivable [Member]    
Certain Risks and Concentrations (Textual)    
Concentration risk, Percentage 10.00% 10.00%
Number of customer | Customer 4 3
Number of suppliers | Supplier 1 1
Percentage of total outstanding accounts payable related parties 85.50% 76.00%