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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 12,504 $ 12,289
Work-in-process 8,526 10,699
Finished goods 3,294 3,830
Total inventories 24,324 26,818
Reserve for inventory $ 1,200 $ 1,100