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Summary of Significant Accounting Policies - Schedule of Concentration Risk (Details) - Credit Concentration Risk
3 Months Ended 9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Customer A | Revenue            
Concentration Risk [Line Items]            
Concentration risk, percentage           10.00%
Customer B | Revenue            
Concentration Risk [Line Items]            
Concentration risk, percentage     21.00% 18.00% 27.00% 14.00%
Customer B | Accounts Receivable            
Concentration Risk [Line Items]            
Concentration risk, percentage 28.00% 65.00%        
Customer C | Revenue            
Concentration Risk [Line Items]            
Concentration risk, percentage     19.00%   15.00%  
Customer D | Accounts Receivable            
Concentration Risk [Line Items]            
Concentration risk, percentage 10.00%