Annual report pursuant to Section 13 and 15(d)

Credit Risk and Concentrations (Details)

v3.19.3.a.u2
Credit Risk and Concentrations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Concentration Risk [Line Items]    
Net revenues $ 6,301 $ 3,756
Customer Concentration Risk [Member] | Customer A [Member]    
Concentration Risk [Line Items]    
Net revenues $ 2,661
Concentration risk, percentage 42.00%
Customer Concentration Risk [Member] | Customer B [Member]    
Concentration Risk [Line Items]    
Net revenues $ 1,224 $ 1,238
Concentration risk, percentage 19.00% 33.00%