Geographic and Segment Information

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Geographic and Segment Information

19. Geographic and Segment Information

The Company has one operating segment, consisting of three business lines: Display Solutions, Power Solutions and Semiconductor Manufacturing Services. The Company’s chief operating decision maker is considered to be its Chief Executive Officer. The chief operating decision maker allocates resources and assesses performance of the business and other activities at the operating segment level.

The following is a summary of net sales by business line:

	Year Ended December 31,
	2013		2012 (As Restated)		2011 (As Restated)
Net Sales
Display Solutions	$	202,951	$	285,939	$	323,634
Semiconductor Manufacturing Services		395,365		395,858		330,715
Power Solutions		135,329		124,960		87,922
All other		532		579		859
Total net sales	$	734,177	$	807,336	$	743,130

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

	Year Ended December 31,
	2013		2012 (As Restated)		2011 (As Restated)
Korea	$	313,634	$	365,682	$	372,736
Asia Pacific (other than Korea)		284,429		271,908		271,521
U.S.A.		100,790		124,481		75,378
Europe		32,136		39,304		14,022
Others		3,188		5,961		9,473
	$	734,177	$	807,336	$	743,130

Net sales from the Company’s top ten largest customers accounted for 59%, 61% and 60% for the years ended December 31, 2013, 2012 and 2011, respectively.

For the year ended December 31, 2013, the Company had one customer that represented 11.3% of its net sales. For the years ended December 31, 2012 and 2011, the Company had another customer that represented 11.5% and 15.4% of its net sales, respectively.

Over 99% of the Company’s property, plant and equipment are located in Korea as of December 31, 2013.