Other Assets, Net

3 Months Ended

Mar. 31, 2013

Other Assets, Net

6. Other Assets, Net

Other assets, net, were comprised of the following at March 31, 2013 and December 31, 2012:

In thousands	March 31, 2013			December 31, 2012
Capitalized patent and license costs	$	5,975		$	5,975
Less accumulated amortization		(4,988	)		(4,982	)
		987			993
Other assets		1,997			2,131
	$	2,984		$	3,124

Amortization expense for intangible assets amounted to $6,000 and $169,000 for the three-month periods ended March 31, 2013 and 2012, respectively. The weighted average amortization period for intangible assets was 17.0 years in 2013 and 14.3 years in 2012.