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Summary of Significant Accounting Policies - Schedule of Revenues by Geographic Region (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation Of Revenue [Line Items]    
Total revenue $ 1,219 $ 2,000
Netherlands    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,191 392
Switzerland    
Disaggregation Of Revenue [Line Items]    
Total revenue 0 1,605
United States    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 28 $ 3