Geographic and Segment Information (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Schedule of Operating Segment

The following sets forth information relating to the operating segment:

	Three Months Ended				Six Months Ended
	June 30, 2016		June 30, 2015		June 30, 2016			June 30, 2015
Net Sales
Foundry Services Group	$	62,310	$	78,962	$	122,289		$	153,482
Standard Products Group
Display Solutions		74,406		48,918		132,465			105,271
Power Solutions		30,213		33,995		60,131			67,832
Total Standard Products Group		104,619		82,913		192,596			173,103
All other		177		140		326			315
Total net sales	$	167,106	$	162,015	$	315,211		$	326,900
	Three Months Ended				Six Months Ended
	June 30, 2016		June 30, 2015		June 30, 2016			June 30, 2015
Gross Profit
Foundry Services Group	$	14,187	$	17,183	$	28,480		$	32,560
Standard Products Group		22,385		17,963		43,145			37,388
All other		177		140		(627	)		315
Total gross profit	$	36,749	$	35,286	$	70,998		$	70,263

Net Sales by Region, Based on Location of Products are Billed

The following is a summary of net sales by geographic region, based on the location to which the products are billed:

	Three Months Ended
	June 30, 2016		June 30, 2015
Korea	$	46,822	$	61,755
Asia Pacific (other than Korea)		100,107		75,582
U.S.A.		8,338		20,310
Europe		11,749		3,708
Others		90		660
Total	$	167,106	$	162,015

	Six Months Ended
	June 30, 2016		June 30, 2015
Korea	$	97,450	$	124,225
Asia Pacific (other than Korea)		181,900		154,759
U.S.A.		13,114		39,680
Europe		22,266		7,361
Others		481		875
Total	$	315,211	$	326,900