Quarterly report pursuant to Section 13 or 15(d)

Credit Risk and Concentrations (Details)

v3.19.1
Credit Risk and Concentrations (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Concentration Risk [Line Items]    
Net revenues $ 1,363 $ 849
Customer Concentration Risk [Member] | Customer A [Member]    
Concentration Risk [Line Items]    
Net revenues $ 750
Concentration risk, percentage 55.00%
Customer Concentration Risk [Member] | Customer B [Member]    
Concentration Risk [Line Items]    
Net revenues $ 306 $ 325
Concentration risk, percentage 22.00% 38.00%
Customer Concentration Risk [Member] | Customer C [Member]    
Concentration Risk [Line Items]    
Net revenues $ 105
Concentration risk, percentage 12.00%