Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Details)

v3.21.1
Concentrations (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Concentration Risk [Line Items]      
Concentration risk, percentage 100.00% 100.00%  
Inventory purchases | Supplier concentration risk | Three vendors      
Concentration Risk [Line Items]      
Concentration risk, percentage 71.00%    
Inventory purchases | Supplier concentration risk | Two vendors      
Concentration Risk [Line Items]      
Concentration risk, percentage   48.00%  
Accounts receivable | Customer concentration risk | Two customers      
Concentration Risk [Line Items]      
Concentration risk, percentage 63.00%   72.00%
Gross sales | Customer concentration risk | Two customers      
Concentration Risk [Line Items]      
Concentration risk, percentage 42.00%    
Gross sales | Customer concentration risk | Four customers      
Concentration Risk [Line Items]      
Concentration risk, percentage   70.00%