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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			6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2012 Licensee 1 [Member]	Dec. 31, 2011 Licensee 1 [Member]	Jun. 30, 2012 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2011 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2011 Licensee 1 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 2 [Member]	Dec. 31, 2011 Licensee 2 [Member]	Jun. 30, 2011 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 2 [Member] License Revenues [Member]	Jun. 30, 2011 Licensee 2 [Member] License Revenues [Member]	Dec. 31, 2011 Licensee 3 [Member]	Jun. 30, 2011 Licensee 3 [Member] License Revenues [Member]	Jun. 30, 2012 Licensee 3 [Member] License Revenues [Member]	Jun. 30, 2011 Licensee 3 [Member] License Revenues [Member]	Dec. 31, 2011 Licensee 4 [Member]	Jun. 30, 2012 Licensee 4 [Member] License Revenues [Member]	Dec. 31, 2011 Licensee 5 [Member]	Jun. 30, 2012 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2011 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2012 Licensees in foreign jurisdictions [Member] License Revenues [Member]	Jun. 30, 2011 Licensees in foreign jurisdictions [Member] License Revenues [Member]
Concentrations
Concentration Risk, Percentage - Revenues			72.00%	30.00%	36.00%	45.00%			28.00%	24.00%	12.00%		12.00%	13.00%	11.00%		12.00%		10.00%	20.00%	53.00%	54.00%
Concentration Risk, Percentage - Accounts Receivable	65.00%	18.00%					23.00%	15.00%				14.00%				13.00%		10.00%

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- Definition

Licensees contributing to accounts receivable balance

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611

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