Summary of Significant Accounting Policies Concentration Risk (Details)			3 Months Ended		6 Months Ended				3 Months Ended	6 Months Ended				3 Months Ended	6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2013 Licensee 1 [Member]	Dec. 31, 2012 Licensee 1 [Member]	Jun. 30, 2013 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 2 [Member]	Dec. 31, 2012 Licensee 2 [Member]	Jun. 30, 2013 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 3 [Member]	Dec. 31, 2012 Licensee 3 [Member]	Jun. 30, 2013 Licensee 3 [Member] License Revenues [Member]	Jun. 30, 2013 Licensee 3 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 3 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 4 [Member] License Revenues [Member]	Jun. 30, 2013 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2012 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2013 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2012 Licensees in foreign jurisdictions [Member] License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues			41.00%	72.00%	50.00%	36.00%			20.00%	15.00%	24.00%			12.00%	11.00%	13.00%	12.00%	44.00%	10.00%	22.00%	53.00%
Concentration Risk, Percentage - Accounts Receivable	56.00%	34.00%					20.00%	30.00%				17.00%	25.00%