v3.26.1
Note 3 - Intangible Assets, Net (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Intangible Asset, Finite-Lived [Table Text Block]
   

June 30,

   

December 31,

 
   

2026

   

2025

 

Patents

  $ 2,051,182     $ 2,062,262  

Trademarks

    34,796       26,529  

Other intangible assets

    1,843,036       1,843,036  
      3,929,014       3,931,827  

Accumulated amortization - patents

    (474,618 )     (430,710 )

Accumulated amortization - other intangible assets

    (883,026 )     (813,651 )
    $ 2,571,370     $ 2,687,466