Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Patents - Summary of Patents (Details)

v3.21.2
Note 7 - Patents - Summary of Patents (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Patents, cost $ 1,377,863 $ 1,377,863
Patents, accumulated amortization (1,071,319) (1,048,614)
Patents-foundation intellectual property 306,544 329,249
Foundation Intellectual Property Patents [Member]    
Patents, cost 1,377,863 1,377,863
Patents, accumulated amortization (1,071,319) (1,048,614)
Patents-foundation intellectual property $ 306,544 $ 329,249