Quarterly report pursuant to Section 13 or 15(d)

Segment Disclosures - Geographical Segments (Details)

v3.20.1
Segment Disclosures - Geographical Segments (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Segment Reporting Information [Line Items]    
Revenue $ 1,468 $ 3,616
United States    
Segment Reporting Information [Line Items]    
Revenue 1,249 2,371
All Other    
Segment Reporting Information [Line Items]    
Revenue $ 219 $ 1,245