Quarterly report pursuant to Section 13 or 15(d)

Segment Disclosures - Geographical Segments (Details)

v3.19.1
Segment Disclosures - Geographical Segments (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Segment Reporting Information [Line Items]    
Revenue $ 3,616 $ 2,518
United States    
Segment Reporting Information [Line Items]    
Revenue 2,371 1,353
All Other    
Segment Reporting Information [Line Items]    
Revenue $ 1,245 $ 1,165