Quarterly report pursuant to Section 13 or 15(d)

Segment Disclosures - Geographical Segments (Details)

v3.19.2
Segment Disclosures - Geographical Segments (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Segment Reporting Information [Line Items]        
Revenue $ 3,262 $ 2,967 $ 6,878 $ 5,486
United States        
Segment Reporting Information [Line Items]        
Revenue 2,357 1,777 4,728 3,131
All Other        
Segment Reporting Information [Line Items]        
Revenue $ 905 $ 1,190 $ 2,150 $ 2,355