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PATENTS AND LICENSES
 12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
PATENTS AND LICENSES

7. PATENTS AND LICENSES

 

     
Cost    
Balance, January 1, 2022  $996,461 
Additions   62,475 
Balance, December 31, 2022   1,058,936 
Additions   79,111 
Balance, December 31, 2023   1,138,047 
Additions   196,997 
Balance, December 31, 2024   1,335,044 
      
Accumulated Amortization     
Balance, January 1, 2022   467,985 
Amortization   80,246 
Balance, December 31, 2022   548,231 
Amortization   87,761 
Balance, December 31, 2023   635,992 
Amortization   92,344 
Balance, December 31, 2024   728,336 
      
Carrying Amounts     
      
At December 31, 2022  $510,705 
At December 31, 2023  $502,055 
At December 31, 2024  $606,708