Patents (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Patents

	Cost		Accumulated Amortization		Net Book Value
As at December 31, 2016
Patents	$	345,603	$	222,252	$	123,351
As at December 31, 2015
Patents	$	357,059	$	201,846	$	155,213

Estimated Future Amortization Expense of Patents

The estimated future amortization expense of patents as at December 31, 2016 is as follows:

Year ending December 31:	Amount
2017	$	20,874
2018		17,941
2019		16,354
2020		15,302
2021		14,566
	$	85,037