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Concentrations (Tables)
12 Months Ended
Dec. 31, 2018
Risks and Uncertainties [Abstract]  
Summary of accounts receivable and revenue concentrations

   Accounts Receivable
As of December 31,
   Total Revenue for the year ended December 31, 
   2018   2017   2018   2017 
Customer #1           10%   13%
Customer #2   48%       24%   14%
Customer #3           24%   30%
Customer #4   24%   44%   23%    
Customer #5   26%   54%        
Total concentration   98%   98%   57%   57%
Schedule of sales concentrations by geographical areas
   December 31,
2018
   December 31,
2017
 
Sales within the United States   90%   88%
Sales outside of the United States   10%   12%
Total   100%   100%