Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

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

(In thousands)		At December 31, 2016							At December 31, 2015
Category	Weighted Average Years	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Developed technology	6	$	1,080	$	(432	)	$	648	$	1,080	$	(324	)	$	756
Patents	9	15,946		(6,384		)	9,562		15,946		(5,000		)	10,946
Trade names	6	209		(82		)	127		209		(62		)	147
Customer relationships	2	878		(585		)	293		878		(439		)	439
Total		$	18,113	$	(7,483	)	$	10,630	$	18,113	$	(5,825	)	$	12,288

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Based on the intangible assets recorded as of December 31, 2016, 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)
2017	1,602
2018	1,479
2019	1,222
2020	1,110
2021	1,049
Thereafter	4,168
Total	$	10,630