Patents (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Patents

	Cost		Accumulated Amortization		Net Book Value
As at December 31, 2014
Patents	$	312,702	$	166,217	$	146,485
As at December 31, 2013
Patents	$	283,504	$	133,479	$	150,025

Estimated Future Amortization Expense of Patents

The estimated future amortization expense of patents as of December 31, 2014 is as follows:

Year ending December 31:	Amount
2015	$	31,290
2016		24,124
2017		13,516
2018		10,649
2019		9,582
	$	89,161