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 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Revenues From External Customers And Long Lived Assets [Line Items]        
Net revenue $ 1,908 $ 2,064 $ 5,809 $ 4,269
United States [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Net revenue 1,618 1,992 5,219 3,900
All other countries [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Net revenue $ 290 $ 72 $ 590 $ 369