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Patents
12 Months Ended
Dec. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]  
Patents

6.      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

 

The Company purchased patents totaling $29,198 during 2014 (2013 - $61,020) and recorded amortization expense of $32,738 (2013 - $27,798). As of December 31, 2014, the estimated remaining economic useful lives of the patents range from one to fourteen years.

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