Other intangible Assets

12 Months Ended

Dec. 31, 2011

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Other Intangible Assets

OTHER INTANGIBLE ASSETS

Intangible assets as of December 31, 2011 and 2010 consisted of the following (in thousands):

	Estimated Useful Life (in years)	December 31,
		2011			2010
Indefinite life trademarks	N/A	$	9,052		$	9,052
Patents	1 to 16	18,154			18,154
Total cost		27,206			27,206
Accumulated amortization - patents		(10,490		)	(8,432		)
Total other intangible assets, net		$	16,716		$	18,774

Amortization expense for intangible assets was $2.1 million for each of the years ended December 31, 2011 and 2010. Amortization expense for intangible assets is expected to be approximately $2.1 million for each of the years 2012 through 2013 and $2.0 million in 2014, with the remaining $1.5 million amortized over the six-year period from 2015 through 2020.