Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Other intangible assets are comprised of the following:

		September 30, 2012						December 31, 2011
	Useful Life	Gross Carrying Amount		Accumulated Amortizaton		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortizaton		Net Carrying Amount
Acquired intangibles	5 -10 years	$	2,405,300	$	1,182,839	$	1,222,461	$	2,405,300	$	999,761	$	1,405,539
Patent application costs	Varied (1)		946,714		250,472		696,242		843,145		205,472		637,673

		$	3,352,014	$	1,433,311	$	1,918,703	$	3,248,445	$	1,205,233	$	2,043,212

(1)- patent rights are amortized over their expected useful life which is generally the legal life of the patent. As of September 30, 2012, the weighted average remaining useful life of these assets in service was approximately 11.75 years.

Schedule of Estimated Future Amortization of Intangible Assets

2013	$	295,000
2014	$	295,000
2015	$	210,000
2016	$	176,000
2017	$	163,000