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The Company and Summary of Significant Accounting Policies (Details)
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9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2012
Accounts Receivable [Member]
Google [Member]
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Dec. 31, 2011
Accounts Receivable [Member]
Google [Member]
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Sep. 30, 2012
Accounts Receivable [Member]
Platform Customer A [Member]
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Dec. 31, 2011
Accounts Receivable [Member]
Platform Customer A [Member]
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Sep. 30, 2012
Revenue [Member]
Google [Member]
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Sep. 30, 2011
Revenue [Member]
Google [Member]
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Sep. 30, 2012
Revenue [Member]
Google [Member]
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Sep. 30, 2011
Revenue [Member]
Google [Member]
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| Schedule of concentrations equal to or exceeding 10% of the Company's accounts receivable and revenue | ||||||||
| Concentration risk, percentage | 34.00% | 45.00% | 13.00% | 11.00% | 51.00% | 56.00% | 57.00% | 55.00% |