Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Intangible Assets (Tables)

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Note 3 - Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   

June 30,

   

December 31,

 
   

2024

   

2023

 
   

(unaudited)

         

Patents

  $ 1,638,663     $ 1,530,257  

Trademarks

    20,284       15,794  

Other intangible assets

    1,843,036       1,843,036  
      3,501,983       3,389,087  

Accumulated amortization - patents

    (310,099 )     (272,872 )

Accumulated amortization - other intangible assets

    (605,525 )     (536,149 )
    $ 2,586,359     $ 2,580,066