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Note D - Inventories (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31, 2022

  

December 31, 2021

 
         

Dental finished goods

 $1,315,263  $342,465 

Medical finished goods

  334,124   1,119,709 

Component parts and other materials

  142,948   79,339 

Total inventories

 $1,792,335  $1,541,513