Company and Industry Information (Tables)

12 Months Ended

Dec. 31, 2015

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	2015		2014		2013
Net sales:
United States	$	28,297	$	47,629	$	43,383
International:
Taiwan	65,188		27,961		61,460
Rest of the world	22,104		26,474		19,871
Korea	4,420		25,752		7,416
Europe	15,639		17,688		13,660
Japan	13,528		5,036		11,482
Subtotal	120,879		102,911		113,889
Total	$	149,176	$	150,540	$	157,272
Long-lived assets:
United States	$	34,124	$	39,577	$	40,347
Singapore	5,049		5,367		7,913
Rest of the world	756		994		1,146
Total	$	39,929	$	45,938	$	49,406