Discontinued Operations (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Components of research and drug development operations presented on the condensed consolidated statements of operations
Net revenues	$ 0	$ 2,184,000	$ 0	$ 3,129,000
Loss from discontinued operations	$ 0	(43,413,000)	$ 0	(94,934,000)
Discontinued Operations
Components of research and drug development operations presented on the condensed consolidated statements of operations
Reimbursement of certain research and development costs to the entity		$ 22,000		$ 100,000