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Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Summary of Inventories
Inventories are comprised of the following amounts:
September 30, 2021December 31, 2020
Raw materials$26,489 $22,589 
Work in process25,978 20,758 
Finished goods22,854 19,170 
Total inventories$75,321 $62,517