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Concentrations
6 Months Ended
Jun. 30, 2021
Risks and Uncertainties [Abstract]  
Concentrations
2.Concentrations

 

The following table summarizes accounts receivable and revenue concentrations:

 

   Accounts Receivable
as of
June 30,
   Total Revenue
for the three months
ended
June 30,
   Total Revenue
for the six months
ended
June 30,
 
   2021   2020   2021   2020   2021   2020 
Customer #1   88%   88%   40%   28%   37%   23%
Customer #2   
-
    
-
    
-
    10%   
-
    11%
Customer #3   
-
    
-
    19%   24%   19%   25%
Customer #4   
-
    
-
    25%   21%   26%   20%
Customer #5   11%   12%   
-
    
-
    
-
    
-
 
Total concentration   99%   100%   84%   83%   82%   79%