Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting - Summary of Net Revenue Classified by Major Geographic Areas (Details)

v3.19.3
Segment Reporting - Summary of Net Revenue Classified by Major Geographic Areas (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Revenues From External Customers And Long Lived Assets [Line Items]        
Net revenue $ 2,153 $ 1,236 $ 3,901 $ 2,205
United States [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Net revenue 1,949 1,107 3,601 1,936
All other countries [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Net revenue $ 204 $ 129 $ 300 $ 269