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Note 6 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

2022

  

2021

 

Computer equipment and software

 $139,769  $140,775 

Office furniture and equipment

  66,644   70,814 

Website development costs

  396,997   402,975 
   603,410   614,564 

Accumulated depreciation

  (579,923)  (574,071)
  $23,487  $40,493