Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Details of Finite-lived Intangible Assets by Segment

Details of finite-lived intangible assets by segment as of September 30, 2017 are as follows.

	September 30, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(In thousands)
Equipment	$	7,172	$	(5,648	)	$	1,524
Photonics		1,215		(1,077	)		138
	$	8,387	$	(6,725	)	$	1,662

Future Amortization Expense

As of September 30, 2017, future amortization expense is expected to be as follows.

(In thousands)
2017	$	159
2018		615
2019		615
2020		273
	$	1,662