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Inventories
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are comprised of the following amounts:
March 31, 2022December 31, 2021
Raw materials$31,108 $27,221 
Work in process28,857 24,960 
Finished goods21,274 22,846 
Total inventories$81,239 $75,027