Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Intangible Assets [Abstract]

Summary of Intangible Assets

Intangible assets at March 31, 2014 and December 31, 2013 consisted of the following:

	March 31 , 2014		December 31, 2013
Patent costs	$	1,154,523	$	1,154,523
Less — Accumulated amortization		(888,183)		(864,658)
Total	$	266,340	$	289,865

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,
2014 (remaining nine months)	$	70,575
2015		77,656
2016		61,119
2017		42,229
Thereafter		14,761
	$	266,340