Subsequent Events (Details Textual) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended
	Mar. 15, 2011	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Royalty Revenue	$ 3,000,000	$ 0	$ 1,228,000	$ 1,424,000	$ 3,816,000
Subsequent Event [Member] | Maximum [Member]
Revenue Recognition, Milestone Method, Revenue Recognized				165,000,000
Royalty Revenue				50,000,000
Subsequent Event [Member] | Minimum [Member]
Revenue Recognition, Milestone Method, Revenue Recognized				130,000,000
Subsequent Event [Member] | Braeburn [Member]
Equity Method Investment, Aggregate Cost		5,000,000		5,000,000
Stock Issued During Period, Shares, New Issues				6,250,000
Stock Issued During Period, Value, New Issues				5,000,000
Common Stock, Par or Stated Value Per Share		$ 0.80		$ 0.80
Subsequent Event [Member] | Probuphine® [Member] | Maximum [Member]
Revenue Recognition, Milestone Method, Revenue Recognized				45,000,000
Subsequent Event [Member] | Probuphine® [Member] | Minimum [Member]
Revenue Recognition, Milestone Method, Revenue Recognized				$ 15,000,000