Patents

9 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Patents

7. Patents.

In fiscal 2005, the Company started the patent process for additional WATER$AVR® products. Patents associated with these costs were granted in 2006 and they have been amortized over their legal life of 17 years.

	September 30, 2019 Cost		Accumulated Amortization		September 30, 2019 Net
Patents	$	200,179	$	149,494	$	50,685

	December 31, 2018 Cost		Accumulated Amortization		December 31, 2018 Net
Patents	$	194,320	$	131,306	$	63,014

Increase in 2019 cost was due to currency conversion. 2019 cost in Canadian dollars - $265,102 (2018 - $265,102 in Canadian dollars).

Amount of amortization for 2019 - $12,329 (2018 - $12,329)

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

2019	$	4,109
2020		16,438
2021		16,438
2022		13,700