Quarterly report [Sections 13 or 15(d)]

Note 3 - Intangible Assets (Tables)

v3.25.1
Note 3 - Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   

March 31,

   

December 31,

 
   

2025

   

2024

 

Patents

  $ 1,828,834     $ 1,770,374  

Trademarks

    22,861       22,767  

Other intangible assets

    1,843,036       1,843,036  
      3,694,731       3,636,177  

Accumulated amortization - patents

    (369,291 )     (349,279 )

Accumulated amortization - other intangible assets

    (709,588 )     (674,900 )
    $ 2,615,852     $ 2,611,998