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Segment Information (Revenue by Major Customer) (Details) (Sales Revenue, Net)	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
All Distributors
Revenue, Major Customer
Percentage of revenue	78.00%		75.00%		71.00%		69.00%
Distributor A
Revenue, Major Customer
Percentage of revenue	52.00%		58.00%		50.00%		52.00%
Top five end customers
Revenue, Major Customer
Percentage of revenue	56.00%	[1]	55.00%	[1]	54.00%	[1]	55.00%	[1]
End customer A
Revenue, Major Customer
Percentage of revenue	19.00%	[1]	15.00%	[1]	17.00%	[1]	13.00%	[1]
End customer B
Revenue, Major Customer
Percentage of revenue	17.00%	[1]	16.00%	[1]	14.00%	[1]	13.00%	[1]
End customer C
Revenue, Major Customer
Percentage of revenue	5.00%	[1]	11.00%	[1]	5.00%	[1]	15.00%	[1]
[1] End customers include customers who purchase directly from us, as well as customers who purchase our products indirectly through distributors.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611

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