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 28.00% 39.00% 52.00%
Customer A [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 35.00% 39.00%  
Customer B [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 21.00% 27.00%  
Customer B [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 23.00% 32.00%  
Customer C [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 23.00% 23.00% 0.00%
Customer C [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 30.00% 26.00%  
Customer D [Member] | Total Revenues from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 19.00% 0.00% 0.00%
Customer D [Member] | Accounts Receivable from External Customers [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 8.00% 0.00%