Patents (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Patents

Patents associated with these costs were granted in 2006 and they have been amortized over their legal life of 17 years.

	March 31, 2021 Cost		Accumulated Amortization		March 31, 2021 Net
Patents	$	209,404	$	183,376	$	26,028

	December 31, 2020 Cost		Accumulated Amortization		December 31, 2020 Net
Patents	$	208,211	$	178,074	$	30,137

Schedule of Estimated Amortization Expense

Estimated amortization expense over the next two years is as follows:

2021	16,438
2022	13,699