Segment Information

12 Months Ended

Dec. 31, 2012

Segment Information [Abstract]

SEGMENT INFORMATION

2. SEGMENT INFORMATION

The Company has determined that it operates in only one segment as it only reports profit and loss information on an aggregate basis to its chief operating decision maker.

Revenue is attributed by geographic region based on ship-to location of the Company’s customers. The following table summarizes revenue by geographic region:

	Year Ended December 31,
	2012		2011		2010
	(in thousands)
Korea	$	19,862	$	51,461	$	25,605
Australia		12,494		14		2
United States		11,104		12,253		6,520
France		8,482		359		69
Taiwan		5,663		50,006		31,914
China		3,839		3,877		1,084
Japan		2,999		11,362		10,745
Other		2,800		4,668		1,423
Revenue	$	67,243	$	134,000	$	77,362

The following table summarizes sales by product type:

	Year Ended December 31,
	2012		2011		2010
	(in thousands)
Core	$	9,755	$	61,734	$	54,198
As-Cut		59		31		38
As-Ground		9		—		141
Polished		50,474		65,468		19,245
Optical		5,720		6,751		3,680
Other		1,226		16		60
Revenue	$	67,243	$	134,000	$	77,362

The following table summarizes assets by geographic region:

	As of December 31,
	2012		2011
	(in thousands)
United States	$	210,781	$	223,430
Malaysia		37,280		36,492
Japan		25		30
Taiwan		10		—
Total Assets	$	248,096	$	259,952