Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Intangible Assets [Abstract]

Intangible assets

		December 31, 2011				September 30, 2012
						(Unaudited)
	Average life (years)	Gross carrying amount		Accumulated amortization		Gross carrying amount		Accumulated amortization
Non-compete agreements	3	$	24,000	$	22,387	$	24,000	$	24,000
Patents	17		145,897		38,548		145,996		44,988
		$	169,897	$	60,935	$	169,996	$	68,988

Future amortization expense

Three months ending December 31, 2012	$	2,149
Year ending December 31, 2013		8,588
Year ending December 31, 2014		8,588
Year ending December 31, 2015		8,588
Year ending December 31, 2016		8,588
Thereafter		64,507
	$	101,008