Geographic and Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Schedule of Operating Segments

The following sets forth information relating to the operating segments:

	Three Months Ended				Six Months Ended
	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
Net Sales
Semiconductor Manufacturing Services	$	78,962	$	90,339	$	153,482	$	182,267
Standard Products Group
Display Solutions		48,918		45,327		105,271		85,706
Power Solutions		33,995		36,275		67,832		68,050
Total Standard Products Group		82,913		81,602		173,103		153,756
All other		140		129		315		211
Total net sales	$	162,015	$	172,070	$	326,900	$	336,234
	Three Months Ended				Six Months Ended
	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
Gross Profit
Semiconductor Manufacturing Services	$	17,183	$	18,601	$	32,560	$	40,723
Standard Products Group		17,963		16,727		37,388		34,801
All other		140		129		315		210
Total gross profit	$	35,286	$	35,457	$	70,263	$	75,734

Net Sales by Region, Based on Location of Customer

The following is a summary of net sales by region, based on the location of the customer:

	Three Months Ended
	June 30, 2015		June 30, 2014
Korea	$	61,755	$	67,320
Asia Pacific (other than Korea)		75,582		74,337
U.S.A.		20,310		24,596
Europe		3,708		5,601
Others		660		216
Total	$	162,015	$	172,070

	Six Months Ended
	June 30, 2015		June 30, 2014
Korea	$	124,225	$	134,333
Asia Pacific (other than Korea)		154,759		144,558
U.S.A.		39,680		44,349
Europe		7,361		12,494
Others		875		500
Total	$	326,900	$	336,234