Intangibles and Other Assets

3 Months Ended

Mar. 31, 2015

Text Block [Abstract]

Intangibles and Other Assets

5. INTANGIBLES AND OTHER ASSETS

	March 31,			December 31,
	2015			2014
	(In thousands)
Purchased patents and other purchased intangible assets	$	4,605		$	4,605
Other assets		264			265
Gross intangibles and other assets		4,869			4,870
Accumulated amortization of purchased patents and other purchased intangibles		(4,591	)		(4,579	)
Intangibles and other assets, net	$	278		$	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:

	Three Months Ended
	March 31,
	2015		2014
	(In thousands)
Amortization of intangibles	$	12	$	20

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

	Estimated Amortization Expense
	(In thousands)
Remainder of 2015	$	8
2016		6
Total	$	14