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Segment Reporting and Significant Customer Information - Revenue for Individual Countries that Exceed 10% of Total Revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue, Major Customer [Line Items]    
Revenues $ 62,712 $ 53,601
United States    
Revenue, Major Customer [Line Items]    
Revenues 38,489 31,854
United Kingdom    
Revenue, Major Customer [Line Items]    
Revenues 13,473 12,832
Germany    
Revenue, Major Customer [Line Items]    
Revenues 5,148 4,853
Rest of the world    
Revenue, Major Customer [Line Items]    
Revenues $ 5,602 $ 4,062