Note H - Patents

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

NOTE H — PATENTS

	December 31, 2021
	Cost		Accumulated Amortization			Net
Patents-foundation intellectual property	$	1,377,863	$	(1,100,244	)	$	277,619
Total	$	1,377,863	$	(1,100,244	)	$	277,619

	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

Patents are amortized utilizing the straight-line method over estimated useful lives ranging from 3 to 20 years. Amortization expense was $51,630 and $53,011 for the years ended December 31, 2021 and 2020, respectively. The annual amortization expense expected to be recorded for existing intangibles assets for the years 2022 through 2026 is approximately $53,000, $52,000, $34,000, $28,000 and $28,000.