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Note H - Patents - Summary of Patents (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Patents, cost $ 1,377,863 $ 1,377,863
Patents, impairment (1,048,614) (995,603)
Patents, accumulated amortization 329,249 382,260
Foundation Intellectual Property Patents [Member]    
Patents, cost 1,377,863 1,377,863
Patents, impairment (1,048,614) (995,603)
Patents, accumulated amortization $ 329,249 $ 382,260