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Geographic Information and Concentrations of Risk - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Net foreign currency transaction losses $ (0.7) $ (0.3)
Net Revenues | Customer Concentration | Customer One    
Segment Reporting Information [Line Items]    
Concentration percentage 54.50% 52.50%
Accounts Receivable | Customer Concentration | Customer One    
Segment Reporting Information [Line Items]    
Concentration percentage 33.30% 25.00%
Accounts Receivable | Customer Concentration | Customer Two    
Segment Reporting Information [Line Items]    
Concentration percentage 17.20% 11.20%