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Customer Concentration (Details) (Customer Concentration Risk [Member])
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12 Months Ended | |
|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Revenue [Member] | LinkedIn [Member]
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| Concentration Risk [Line Items] | ||
| Concentration risk percentage | 4.00% | 50.00% |
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Revenue [Member] | Apollo Group [Member]
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| Concentration Risk [Line Items] | ||
| Concentration risk percentage | 10.00% | 36.00% |
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Accounts Receivable [Member] | LinkedIn [Member]
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| Concentration Risk [Line Items] | ||
| Concentration risk percentage | 3.00% | 41.00% |
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Accounts Receivable [Member] | Apollo Group [Member]
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| Concentration Risk [Line Items] | ||
| Concentration risk percentage | 1.00% | 19.00% |
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Accounts Receivable [Member] | Customer A [Member]
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| Concentration Risk [Line Items] | ||
| Concentration risk percentage | 15.00% | |
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Accounts Receivable [Member] | Customer B [Member]
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| Concentration Risk [Line Items] | ||
| Concentration risk percentage | 12.00% | |