Segment Information and Foreign Operations (Tables)

9 Months Ended

Sep. 30, 2014

Segment Information and Foreign Operations [Abstract]

The following table represents revenue amounts (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
Revenue	$	23,138	$	20,521	$	63,932	$	66,732

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
	2014		2013		2014		2013
Geographical region:
Europe (primarily Germany)	$	5,429	$	5,732	$	16,980	$	16,043
China		4,298		6,611		13,423		20,344
Taiwan		3,835		1,536		8,735		8,474
Japan		3,511		1,931		9,281		7,233
Asia Pacific (excluding China, Taiwan and Japan)		3,537		2,413		8,376		6,828
North America (primarily the United States)		2,528		2,298		7,137		7,810
Total	$	23,138	$	20,521	$	63,932	$	66,732

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,
	2014		2013

North America	$	255	$	204
China		34,408		37,417
	$	34,663	$	37,621