Intangibles and Other Assets (Tables)

6 Months Ended

Jun. 30, 2015

Intangibles And Other Assets [Abstract]

Schedule of Intangibles and Other Assets

	June 30, 2015			December 31, 2014
	(In thousands)
Purchased patents and other purchased intangible assets	$	4,605		$	4,605
Prepaid income taxes	3,718			—
Other assets	268			265
Gross intangibles and other assets	8,591			4,870
Accumulated amortization of purchased patents and other purchased intangibles	(4,594		)	(4,579		)
Intangibles and other assets, net	$	3,997		$	291

Schedule of Amortization of Intangibles

Amortization of intangibles was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
	(In thousands)				(In thousands)
Amortization of intangibles	$	3	$	20	$	15	$	40

Schedule of Estimated Remaining Annual Amortization Expense for Purchased Patents

The table below includes estimated remaining annual amortization expense for purchased patents as of June 30, 2015.

	Estimated Amortization Expense
	(In thousands)
Remainder of 2015	$	5
2016	6
Total	$	11