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Note K - Intangible Assets and Goodwill (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   

2022

   

2021

 
                 

Trade name

  $ 130,000     $ 130,000  

Proprietary software

    420,000       420,000  

Customer relationships

    1,692,860       930,000  

Patents and patents pending

    365,080       365,080  
      2,607,940       1,845,080  
                 
                 

Less accumulated amortization

    (845,115

)

    (547,003 )
                 

Total

  $ 1,762,825     $ 1,298,077  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Years ending December 31

       

2023

  $ 320,000  

2024

    320,000  

2025

    280,000  

2026

    230,000  

2027

    220,000  

Thereafter

    392,825  

Total

  $ 1,762,825