Other Intangible Assets

12 Months Ended

Dec. 31, 2012

Other Intangible Assets

Other Intangible Assets

(5) Other Intangible Assets

The carrying values of the Company’s definite-lived intangible assets as of December 31, 2012, and 2011, are as follows:

	Patents			Non- Compete			Customer List			Total
Estimated useful life	14 years			5 years			5 years
Gross amount at December 31, 2012	$	428,806		$	512,000		$	2,306,436		$	3,247,242
Accumulated amortization at December 31, 2012	(428,806		)	(156,500		)	(577,995		)	$	(1,163,301	)
Net balance at December 31, 2012	$	—		$	355,500		$	1,728,441		$	2,083,941
Gross amount at December 31, 2011	$	428,806		$	200,000		$	769,436		$	1,398,242
Accumulated amortization at December 31, 2011	(425,052		)	(126,500		)	(448,191		)	$	(999,743	)
Net balance at December 31, 2011	$	3,754		$	73,500		$	321,245		$	398,499

Amortization expense related to intangible assets was $163,558, $195,330, and $223,908 for the years ended December 31, 2012, 2011, and 2010, respectively. Future amortization for the years ending December 31 will be approximately:

2013	529,604
2014	444,937
2015	369,800
2016	369,800
2017	369,800
Total:	$	2,083,941