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Inventories (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Summary of Inventories
Inventories are comprised of the following amounts:
June 30, 2020December 31, 2019
Raw materials$37,491  $49,135  
Work in process46,011  43,456  
Finished goods37,529  26,131  
Total inventories$121,031  $118,722