Quarterly report pursuant to Section 13 or 15(d)

Major Customers and Vendors (Details)

v3.21.1
Major Customers and Vendors (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2021
item
customer
Mar. 31, 2020
item
customer
Dec. 31, 2020
Purchases | Vendor concentration risk      
Significant Customers and Vendors      
Number of vendors | item 2 2  
Purchases | Vendor concentration risk | Major vendor one      
Significant Customers and Vendors      
Percentage of concentration risk 24.00% 22.00%  
Purchases | Vendor concentration risk | Major vendor two      
Significant Customers and Vendors      
Percentage of concentration risk 9.00% 14.00%  
Net sales | Customer concentration risk      
Significant Customers and Vendors      
Number of customers | customer 2 2  
Net sales | Customer one | Customer concentration risk      
Significant Customers and Vendors      
Percentage of concentration risk 20.00% 27.00%  
Net sales | Customer two | Customer concentration risk      
Significant Customers and Vendors      
Percentage of concentration risk 13.00% 14.00%  
Net accounts receivable | Customer one | Customer concentration risk      
Significant Customers and Vendors      
Percentage of concentration risk 18.00%   19.00%
Net accounts receivable | Customer two | Customer concentration risk      
Significant Customers and Vendors      
Percentage of concentration risk 10.00%   9.00%