Intangible and Other Assets, Net

12 Months Ended

Dec. 31, 2015

Intangible and Other Assets, Net

5. Intangible and Other Assets, Net

Intangible and other assets, net, were comprised of the following at December 31, 2015 and 2014:

In thousands	2015			2014
Capitalized patent and license costs	$	5,975		$	5,975
Less accumulated amortization		(5,076	)		(5,036	)
		899			939
Inventory, non-current		813			460
Other assets		4,393			1,740
	$	6,105		$	3,139

Amortization expense for intangible assets was $40,000, $29,000 and $25,000 in 2015, 2014 and 2013, respectively. The weighted average amortization period for intangible assets was 17 years for each of 2015, 2014 and 2013. The estimated future amortization expense is $43,000 per year for 2016, 2017, 2018, 2019 and 2020 and $375,000 thereafter.