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Composition of Certain Consolidated Financial Statement Items - Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials $ 6,740 $ 2,647
Work-in-process 905 51
Finished goods 5,502 4,226
Total inventory $ 13,147 $ 6,924