Quarterly report pursuant to Section 13 or 15(d)

Customer Concentration (Details)

v3.20.2
Customer Concentration (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Customer A [Member] | Total Revenues from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage   24.00% 22.00% 28.00%  
Customer A [Member] | Accounts Receivable, Net from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     16.00%   21.00%
Customer B [Member] | Total Revenues from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 14.00% 18.00% 15.00% 19.00%  
Customer B [Member] | Accounts Receivable, Net from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     20.00%   13.00%
Customer C [Member] | Total Revenues from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 26.00% 22.00% 18.00% 20.00%  
Customer C [Member] | Accounts Receivable, Net from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     12.00%   22.00%
Customer D [Member] | Total Revenues from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 22.00% 19.00% 18.00% 21.00%  
Customer D [Member] | Accounts Receivable, Net from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     33.00%   13.00%
Customer E [Member] | Accounts Receivable, Net from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     0.00%   13.00%
Customer F [Member] | Total Revenues from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     12.00%    
Customer F [Member] | Accounts Receivable, Net from External Customers [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     11.00%   14.00%