Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

Intangible assets at September 30, 2013 and December 31, 2012 consisted of the following:

	September 30, 2013		December 31, 2012
Patent costs	$	1,154,523	$	1,154,523
Less — Accumulated amortization		(837,341)		(755,392)
Total	$	317,182	$	399,131

Patent Costs Amortized on a Straight-Line Basis

Patent costs which are amortized on a straight-line basis over a 10-year life, are scheduled to amortize as follows:

Year ending December 31,

2013 (remaining three months)	$	27,317
2014		94,100
2015		77,656
2016		61,119
Thereafter.		56,990
	$	317,182