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Segment and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2012

Segment and Geographic Information [Abstract]

Summary of geographic information related to revenue


	Three months ended September 30,						Nine months ended September 30,
	2012			2011			2012			2011
China		20	%		61	%		21	%		79	%
Japan		—			2			—			1
Korea		57			37			47			20
United States		21			—			31			—
Other		2			—			1			—

Total		100	%		100	%		100	%		100	%

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

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