Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following table summarizes the balances and activity of our intangibles:

(In thousands)		At December 31, 2013							At December 31, 2012
Category	Weighted Average Years	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Developed technology	9 Years	$	1,080	$	(108	)	$	972	$	1,080	$	—		$	1,080
Patents	11 Years	15,946		(2,103		)	13,843		10,946		(831		)	10,115
Trade names	9 Years	209		(21		)	188		209		—			209
Customer relationships	5 Years	878		(146		)	732		878		—			878
Total		$	18,113	$	(2,378	)	$	15,735	$	13,113	$	(831	)	$	12,282

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Based on the intangible assets recorded as of December 31, 2013, and assuming no subsequent additions to or impairment of the underlying assets, the remaining estimated annual amortization expense is expected to be as follows:

Year	(In thousands)
2014	$	1,740
2015	1,707
2016	1,657
2017	1,602
2018	1,479
Thereafter	7,550
Total	$	15,735