Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Entity Level Information - Summary of Revenue by Region (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue $ 26,484 $ 18,190
U.S [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue 20,090 12,425
Canada and Latin America [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue 3,645 2,252
Europe and Middle East [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue 1,800 3,163
Asia Pacific [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue $ 949 $ 350