Company and Industry Information (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

The following table presents enterprise-wide sales to external customers and long-lived assets by geographic region:

In thousands	2016		2015		2014
Net sales:
United States	$	24,871	$	28,297	$	47,629
International:
Greater China	120,690		67,927		45,227
Rest of the world	17,730		19,365		9,208
Europe	14,578		15,639		17,688
Japan	9,577		13,528		5,036
Korea	6,605		4,420		25,752
Subtotal	169,180		120,879		102,911
Total	$	194,051	$	149,176	$	150,540
Long-lived assets:
United States	$	30,760	$	34,124	$	39,577
Singapore	3,836		5,049		5,367
Rest of the world	702		756		994
Total	$	35,298	$	39,929	$	45,938