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Inventories, net
3 Months Ended
Mar. 31, 2023
Inventory, Net [Abstract]  
Inventories, net 3. Inventories, net
 March 31, 2023December 31, 2022
Raw materials$816,558 $812,066 
Work in progress254,141 230,865 
Finished goods476,026 458,881 
Subtotal1,546,725 1,501,812 
Less reserves(141,309)(135,204)
Total$1,405,416 $1,366,608