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Note 3 - Property and Equipment (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

March 31,

2023

  

December 31,

2022

 
         

Medical equipment

 $387,665  $387,665 

Office/warehouse equipment

  43,919   40,026 

Warehouse/production equipment

  21,416   19,996 
   453,000   447,657 

Less accumulated depreciation

  (398,593

)

  (394,492

)

Property and equipment, net

 $54,407  $53,165