Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

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

Geographic Information (in thousands):
	Years Ended December 31,
	2014				2013				2012
	Total Net Revenues		Long-Lived Assets (1)		Total Net Revenues		Long-Lived Assets(1)		Total Net Revenues		Long-Lived Assets (1)
United States of America	$	55,574	$	50,125	$	62,667	$	48,432	$	66,267	$	51,715
Other North American Countries	176		—		144		—		193		—
Korea	23,324		9		28,050		16		36,896		24
Taiwan	25,114		3,093		23,503		2,956		22,507		3,492
Singapore	31,899		9		26,353		9		23,899		8
China	16,073		1,684		15,873		2,424		16,183		1,417
Hong Kong	43,060		60		33,881		86		37,300		215
Japan	16,582		2		14,686		23		14,329		1
Other Asian Countries	1,377		5,447		1,259		3,727		1,284		3,717
Europe	34,415		24		30,664		106		31,254		103
Total	$	247,594	$	60,453	$	237,080	$	57,779	$	250,112	$	60,692

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(1) Long-lived assets consist of property, plant and equipment.