Quarterly report pursuant to Section 13 or 15(d)

Customer Concentration (Details)

v3.20.1
Customer Concentration (Details)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Customer A [Member] | Total Revenues from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 28.00% 31.00%
Customer A [Member] | Accounts Receivable from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 21.00% 21.00%
Customer B [Member] | Total Revenues from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 15.00% 19.00%
Customer B [Member] | Accounts Receivable from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 14.00% 13.00%
Customer C [Member] | Total Revenues from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 15.00% 19.00%
Customer C [Member] | Accounts Receivable from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 28.00% 22.00%
Customer D [Member] | Total Revenues from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 16.00% 22.00%
Customer D [Member] | Accounts Receivable from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 14.00% 13.00%
Customer E [Member] | Total Revenues from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   0.00%
Customer E [Member] | Accounts Receivable from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   13.00%
Customer F [Member] | Total Revenues from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 11.00% 0.00%
Customer F [Member] | Accounts Receivable from External Customers [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 14.00% 14.00%