Intangibles and Other Assets

12 Months Ended

Dec. 31, 2015

Intangibles And Other Assets [Abstract]

Intangibles and Other Assets

Intangibles and Other Assets

	December 31,
	2015			2014
	(In thousands)
Purchased patents and other purchased intangible assets	$	4,605		$	4,605
Less: Accumulated amortization of purchased patents and other purchased intangibles	(4,599		)	(4,579		)
Purchased patents and other purchased intangible assets, net	6			26
Other assets	258			265
Intangibles and other assets, net	$	264		$	291

The Company amortizes its intangible assets related to purchased patents over their estimated useful lives, generally 10 years from the purchase date. Amortization of intangibles was as follows:

	Year Ended December 31,
	2015		2014		2013
	(In thousands)
Amortization of intangibles	$	20	$	67	$	79

The table below includes estimated remaining annual amortization expense for purchased patents as of December 31, 2015.

	Estimated Amortization Expense
	(In thousands)
2016	$	6
Total	$	6