Quarterly report pursuant to Section 13 or 15(d)

Credit Risk and Concentrations (Details)

v3.10.0.1
Credit Risk and Concentrations (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Concentration Risk [Line Items]        
Net revenues $ 940 $ 871 $ 2,627 $ 3,007
Customer concentration risk [Member] | Customer A [Member]        
Concentration Risk [Line Items]        
Net revenues $ 312 $ 316 $ 956 $ 937
Concentration risk, percentage 33.00% 36.00% 36.00% 31.00%
Customer concentration risk [Member] | Customer B [Member]        
Concentration Risk [Line Items]        
Net revenues     $ 280
Concentration risk, percentage     11.00%