License And Collaboration Agreements (Commercial Products) (Narrative 1) (Details) (USD $)	9 Months Ended						0 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Novartis Consumer Health Inc [Member] Voltaren Gel Agreement Extending Through June 2014 [Member]	Sep. 30, 2014 Novartis Consumer Health Inc [Member] Voltaren Gel Agreement Extending Through June 2015 [Member]	Sep. 30, 2014 Voltaren Gel Agreement [Member]	Sep. 30, 2013 Voltaren Gel Agreement [Member]	Mar. 06, 2014 Bayerschering Agreement [Member] Aveed [Member]	Sep. 30, 2014 Bayerschering Agreement [Member] Aveed [Member]
License And Collaboration Agreements [Line Items]
Payments for royalties					$ 22,500,000	$ 22,500,000
Long-term Purchase Commitment, Amount			5,900,000	8,400,000
Marketing and Advertising Expense	5,300,000	6,500,000
Additional milestone payment							5,000,000.0
Conditional milestone payment								$ 17,500,000