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Inventories
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are comprised of the following amounts:
June 30, 2021December 31, 2020
Raw materials$27,456 $22,589 
Work in process25,764 20,758 
Finished goods21,550 19,170 
Total inventories$74,770 $62,517