Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Patents (Tables)

v3.21.2
Note 7 - Patents (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   

June 30, 2021

 
    Cost     Accumulated Amortization     Net  

Patents-foundation intellectual property

  $ 1,377,863     $ (1,071,319 )   $ 306,544  

Total

  $ 1,377,863     $ (1,071,319 )   $ 306,544  
   

December 31, 2020

 
    Cost     Accumulated Amortization     Net  

Patents-foundation intellectual property

  $ 1,377,863     $ (1,048,614 )   $ 329,249  

Total

  $ 1,377,863     $ (1,048,614 )   $ 329,249