Annual report pursuant to Section 13 and 15(d)

Vendor Concentrations (Details)

v3.20.1
Vendor Concentrations (Details) - Suppliers
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Vendor Concentrations (Textual)    
Concentration risk, percentage 51.00% 56.00%
Number of suppliers 2 2