Segment Information and Foreign Operations (Tables)

9 Months Ended

Sep. 30, 2016

Segment Information and Foreign Operations

Revenue reported for products shipped to customers in the corresponding geographic region

The following table represents revenue amounts (in thousands) reported for products shipped to customers in the corresponding geographic region:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
Europe (primarily Germany)	$	4,995	$	4,385	$	13,946	$	14,992
China		4,766		3,296		12,041		10,154
Japan		3,499		1,939		8,096		7,176
Asia Pacific (excluding China, Taiwan and Japan)		3,239		2,750		8,391		8,277
Taiwan		2,995		4,131		11,779		10,654
North America (primarily the United States)		2,378		1,870		6,827		8,192
Total	$	21,872	$	18,371	$	61,080	$	59,445

Long-lived assets by geographic region

Long-lived assets consist primarily of property, plant and equipment, and are attributed to the geographic location in which they are located. Long-lived assets by geographic region were as follows (in thousands):

	As of
	September 30,		December 31,
	2016		2015
Long-lived assets by geographic region, net of depreciation:
North America	$	618	$	542
China		28,767		30,880
	$	29,385	$	31,422