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.

Reference 1: 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 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=6947722&loc=d3e13537-108611

Reference 3: 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=6947722&loc=d3e13531-108611

Reference 4: 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

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Data Type:	num:percentItemType
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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Concentration of Credit Risk and Significant Customers (Details)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Concentration Risk [Line Items]
Number of Major Customers	0
Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	10.00%
Yahoo [Member] \| Total Revenue [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage			17.00%
Google [Member] \| Total Revenue [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	14.50%	15.10%	10.60%