Annual report pursuant to Section 13 and 15(d)

Segment Information - Summary of Net Revenue Classified by Major Geographic Areas (Details)

v3.20.4
Segment Information - Summary of Net Revenue Classified by Major Geographic Areas (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenues From External Customers And Long Lived Assets [Line Items]    
Net revenue $ 4,405 $ 7,199
United States [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Net revenue 4,181 6,568
All other countries [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Net revenue $ 224 $ 631