Discontinued Operations (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2013 Discontinued operation	Sep. 30, 2013 Discontinued operation	Mar. 31, 2014 Discontinued operation Special Long-Term Retention and Incentive Cash Awards Program	Dec. 31, 2011 Discontinued operation Special Long-Term Retention and Incentive Cash Awards Program	May 31, 2014 Discontinued operation Special Long-Term Retention and Incentive Cash Awards Program
Components of research and drug development operations presented on condensed consolidated statements of operations
Net revenues	$ 0	$ 24,000	$ 3,129,000	$ 51,000
Loss from discontinued operations	0	(37,534,000)	(94,934,000)	(99,033,000)
Reimbursement of research and development costs from discontinued operations from collaborative arrangements					2,000,000	5,600,000
Timeframe for achievement of performance conditions								6 years
Cash bonus expense recognized							9,100,000
Total cash bonus paid									$ 9,500,000