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Note D - Inventories (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31, 2023

  

December 31, 2022

 

Dental finished goods

 $2,404,970  $1,315,263 

Medical finished goods

  14,730   334,124 

Component parts and other materials

  218,486   142,948 

Total inventories

 $2,638,186  $1,792,335