Summary of Significant Accounting Policies Concentration Risk (Details)			3 Months Ended		6 Months Ended		3 Months Ended				3 Months Ended		6 Months Ended		3 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2014 Licensee 1 [Member]	Dec. 31, 2013 Licensee 1 [Member]	Jun. 30, 2014 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2014 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2014 Licensee 1 [Member] Licensing Agreements [Member]	Jun. 30, 2013 Licensee 1 [Member] Licensing Agreements [Member]	Jun. 30, 2014 Licensee 2 [Member]	Dec. 31, 2013 Licensee 2 [Member]	Jun. 30, 2014 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2014 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2014 Licensee 2 [Member] Licensing Agreements [Member]	Jun. 30, 2013 Licensee 2 [Member] Licensing Agreements [Member]	Jun. 30, 2014 Licensee 3 [Member]	Jun. 30, 2013 Licensee 3 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 3 [Member] License Revenues [Member]	Jun. 30, 2014 Licensee 3 [Member] Licensing Agreements [Member]	Jun. 30, 2013 Licensee 3 [Member] Licensing Agreements [Member]	Jun. 30, 2014 Licensee 4 [Member]	Jun. 30, 2014 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2013 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2014 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2013 Licensees in foreign jurisdictions [Member] License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues			58.00%	41.00%	46.00%	50.00%	39.00%	36.00%			14.00%	20.00%	11.00%	15.00%	19.00%	18.00%		12.00%	11.00%	14.00%	12.00%		79.00%	44.00%	67.00%	22.00%
Concentration Risk, Percentage - Accounts Receivable	32.00%	60.00%							27.00%	22.00%							15.00%					14.00%