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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventories consist of the following at December 31:
 
 20212020
Raw materials$83,386 $71,807 
Work in process17,449 15,864 
Finished goods130,809 107,197 
 $231,644 $194,868