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The Company and Summary of Significant Accounting Policies (Details)
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6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2012
Accounts Receivable [Member]
Google [Member]
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Dec. 31, 2011
Accounts Receivable [Member]
Google [Member]
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Jun. 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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Jun. 30, 2012
Revenue [Member]
Google [Member]
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Jun. 30, 2011
Revenue [Member]
Google [Member]
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Jun. 30, 2012
Revenue [Member]
Google [Member]
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Jun. 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 | 35.00% | 45.00% | 13.00% | 11.00% | 56.00% | 54.00% | 59.00% | 55.00% |