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Summary of Significant Accounting Policies Concentrations (Details) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Licensee 1 [Member] | Revenue, Rights Granted [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 24.00% | 22.00% | 38.00%
Licensee 1 [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 72.00% | 30.00% |
Licensee 2 [Member] | Revenue, Rights Granted [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 20.00% | 22.00% | 16.00%
Licensee 2 [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 21.00% | 17.00% |
Licensee 3 [Member] | Revenue, Rights Granted [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 16.00% |  |
Licensee 3 [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage |  | 15.00% |
Licensees in foreign jurisdictions [Member] | Revenue, Rights Granted [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 49.00% | 43.00% | 24.00%

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