Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

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

	June 30, 2013		December 31, 2012
Patent costs	$	1,154,523	$	1,154,523
Less — Accumulated amortization		(810,025)		(697,666)
Total	$	344,498	$	456,857

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 six months)	$	54,633
2014.		94,100
2015.		77,656
2016.		61,119
Thereafter.		56,990
	$	344,498