5.	Other Intangible Assets:

Other intangible assets, net, consisting of product rights and licenses are summarized as follows:


December 31, 2014	Gross Carrying Value		Accumulated Amortization			Intangible Assets, net		Weighted average Useful Life
Product Rights	$	9,050	$	(5,302	)	$	3,748		9.14
Licenses		1,900		(1,422	)		478		1.66

Total Intangible Assets	$	10,950	$	(6,724	)	$	4,226		10.80


December 31, 2013	Gross Carrying Value		Accumulated Amortization			Intangible Assets, net		Weighted average Useful Life
Product Rights	$	9,050	$	(4,427	)	$	4,623		9.15
Licenses		1,900		(1,326	)		574		1.62

Total Intangible Assets	$	10,950	$	(5,753	)	$	5,197		10.77

The Company incurred amortization expense on other intangible assets of approximately $1.0 million, $1.1 million and $1.0 million for the years ended December 31, 2014, 2013 and 2012, respectively. Estimated aggregate future amortization expenses for other intangible assets for each of the next five years and thereafter are as follows:


Years ending December 31,
2015	$	970
2016		970
2017		925
2018		657
2019		657
Thereafter		47

	$	4,226