Segment Reporting, Geographic Information, and Significant Customers (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Summary of Revenues by Geographic Areas

The following is a summary of revenues by geographic areas. Revenues are broken out geographically by the ship-to location of the customer. Geographic revenue as a percentage of total revenues by region was as follows:

	Years Ended December 31,
	2013			2012			2011
North America		28	%		41	%		42	%
Europe		4	%		13	%		13	%
Far East		68	%		46	%		45	%
Rest of the world		0	%		0	%		0	%
Total		100	%		100	%		100	%

Summary of Geographic Revenue as Percentage of Total Revenues by Country

Geographic revenue as a percentage of total revenues by country was as follows:

	Years Ended December 31,
	2013			2012			2011
United States of America		26	%		38	%		40	%
Korea		58	%		36	%		37	%
Japan		7	%			*			*
Other countries (none of which is more than 10% of revenues)		9	%		26	%		23	%
Total		100	%		100	%		100	%

* Represents less than 10% of the Company’s revenue and is included below.

Summary of Customers Comprising More Than 10% in Net Revenue

Customers comprising 10% or greater of the Company’s net revenues are summarized as follows:

	Years Ended December 31,
	2013			2012			2011
Samsung Electronics		47	%		24	%		20	%
Customer B			*			*		12	%
Customer C			*			*			*
Customer D			*			*			*
Customer E			*			*			*
Customer F			*			*			*
Total		47	%		24	%		32	%

* Revenue derived from customer represented less than 10% for the period.

Summary of Customers Comprising 10% or Greater of Outstanding Accounts and Other Receivable

Customers comprising 10% or greater of the Company’s outstanding accounts and other receivable are summarized as follows:

	December 31,
	2013			2012			2011
Samsung Electronics			*			*			*
Customer B			*		33	%			*
Customer C			*		38	%		14	%
Customer D		11	%			*		14	%
Customer E			*		10	%			*
Customer F		28	%			*			*

* Represents less than 10% of the Company’s outstanding accounts and other receivables.