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Inventories
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
 
Inventories consist of the following: 

 March 31, 2023December 31, 2022
Purchased components$1,119,662 $982,129 
Finished goods628,453 632,858 
 $1,748,115 $1,614,987