Summary of Significant Accounting Policies Concentration Risk (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Concentrations
Effective Income Tax Rate Reconciliation, Percent	(58.00%)	1.00%	56.00%	2.00%
Licensee 1 [Member]
Concentrations
Concentration Risk, Percentage - Accounts Receivable	73.00%		73.00%		72.00%
Licensee 1 [Member] | License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues	60.00%	54.00%	30.00%	34.00%
Licensee 2 [Member]
Concentrations
Concentration Risk, Percentage - Accounts Receivable	22.00%		22.00%		21.00%
Licensee 2 [Member] | License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues	27.00%	15.00%	27.00%	23.00%
Licensee 3 [Member] | License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues		13.00%	13.00%
Licensees in foreign jurisdictions [Member] | License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues	93.00%	5.00%	78.00%	34.00%