Quarterly report pursuant to Section 13 or 15(d)

Entity Level Information - Summary of Revenue by Region (Details)

v3.20.2
Entity Level Information - Summary of Revenue by Region (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Revenues From External Customers And Long Lived Assets [Line Items]        
Revenue $ 14,393 $ 28,850 $ 48,157 $ 99,081
U.S [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Revenue 9,128 23,170 34,824 78,385
Canada and Latin America [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Revenue 3,987 3,964 10,645 13,271
Europe and Middle East [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Revenue 431 756 1,225 4,766
Asia Pacific [Member]        
Revenues From External Customers And Long Lived Assets [Line Items]        
Revenue $ 847 $ 960 $ 1,463 $ 2,659