Annual report pursuant to Section 13 and 15(d)

Customer Concentration - Schedule of Revenue and Accounts Receivable by Major Customers (Details)

v3.10.0.1
Customer Concentration - Schedule of Revenue and Accounts Receivable by Major Customers (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Customer A [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 18.00% 24.00% 39.00%
Customer A [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 21.00% 28.00%  
Customer B [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 14.00% 14.00%  
Customer B [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 14.00% 16.00%  
Customer C [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 19.00% 14.00% 0.00%
Customer C [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 18.00% 14.00%  
Customer D [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 13.00%    
Customer D [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage   0.00%  
Customer E [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage   17.00% 0.00%
Customer E [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 0.00% 0.00%  
Customer F [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage   15.00%  
Customer G [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 10.00% 0.00%  
Customer H [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage   13.00%  
Customer H [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 0.00% 0.00%