Summary of Significant Accounting Policies Concentration Risk (Details)			3 Months Ended				3 Months Ended
	Mar. 31, 2014 Licensee 1 [Member]	Dec. 31, 2013 Licensee 1 [Member]	Mar. 31, 2014 Licensee 1 [Member] License Revenues [Member]	Mar. 31, 2013 Licensee 1 [Member] License Revenues [Member]	Mar. 31, 2014 Licensee 2 [Member]	Dec. 31, 2013 Licensee 2 [Member]	Mar. 31, 2013 Licensee 2 [Member] License Revenues [Member]	Mar. 31, 2013 Licensee 3 [Member] License Revenues [Member]	Mar. 31, 2014 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Mar. 31, 2013 Licensees in foreign jurisdictions [Member] License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues			39.00%	65.00%			14.00%	13.00%	16.00%	15.00%
Concentration Risk, Percentage - Accounts Receivable	43.00%	60.00%			28.00%	22.00%