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Segment And Geographic Information (Schedule of Revenue by Geographic Location) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue $ 130,513,000 $ 78,893,000 $ 90,891,000
North America [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 64,521,000 37,277,000 44,681,000
Europe (including the Middle East and Africa) [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 30,271,000 19,065,000 19,600,000
Asia Pacific [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue $ 35,721,000 $ 22,551,000 $ 26,610,000