Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Summary of Intangible Assets

Intangible assets at June 30, 2012 and December 31, 2011 consisted of the following:

	June 30, 2012			December 31, 2011
Patent costs	$	1,154,523		$	1,154,523
Less — Accumulated amortization		(697,666	)		(639,939	)
Total	$	456,857		$	514,584

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 ended December 31,
2012 (remaining six months)		57,725
2013.		109,266
2014.		94,100
2015.		77,656
Thereafter.		118,110
	$	456,857