Quarterly report pursuant to Section 13 or 15(d)

Major suppliers (Details)

v3.20.1
Major suppliers (Details) - Vendor
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Concentration Risk [Abstract]    
Number of vendors utilized to purchase inventory 2 1
Inventory Purchases [Member] | Supplier Concentration Risk [Member]    
Concentration Risk [Abstract]    
Concentration risk percentage 48.00% 69.00%