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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables And Accruals [Abstract]    
Professional fees $ 3,687 $ 3,219
Clinical and contract research organization costs 1,646 1,781
Travel and entertainment 184 91
Tax liabilities 391 1,767
Purchases of property and equipment 615 4,423
Other 2,820 1,881
Total accrued liabilities $ 9,343 $ 13,162