Quarterly report pursuant to Section 13 or 15(d)

Credit Risk and Concentrations (Details)

v3.7.0.1
Credit Risk and Concentrations (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Concentration Risk [Line Items]        
Net revenues $ 15,096,000 $ 13,332,000 $ 28,578,000 $ 27,419,000
Customer concentration risk [Member] | Customer A [Member]        
Concentration Risk [Line Items]        
Net revenues $ 3,648,000 $ 5,264,000 $ 2,608,000
Concentration risk, percentage 24.00% 18.00% 10.00%
Customer concentration risk [Member] | Customer B [Member]        
Concentration Risk [Line Items]        
Net revenues $ 3,508 $ 8,717,000
Concentration risk, percentage 27.00% 32.00%