Quarterly report pursuant to Section 13 or 15(d)

Customer Concentration (Details)

v3.10.0.1
Customer Concentration (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Customer A [Member] | Total Third-Party Revenues [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 24.00% 31.00% 27.00% 42.00%  
Customer A [Member] | Accounts Receivable from Third-Parties [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     28.00%   39.00%
Customer B [Member] | Total Third-Party Revenues [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 21.00% 24.00% 22.00% 26.00%  
Customer B [Member] | Accounts Receivable from Third-Parties [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     26.00%   32.00%
Customer C [Member] | Total Third-Party Revenues [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 21.00% 35.00% 23.00% 18.00%  
Customer C [Member] | Accounts Receivable from Third-Parties [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     22.00%   26.00%
Customer D [Member] | Total Third-Party Revenues [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 24.00% 0.00% 18.00% 0.00%  
Customer D [Member] | Accounts Receivable from Third-Parties [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     19.00%   0.00%