Subsequent Event (Details) $ in Millions	1 Months Ended
	Oct. 31, 2016 USD ($)	Nov. 08, 2016 USD ($)	Sep. 30, 2016 trial
Patient enrollment for Phase 3 Clinical Trials
Subsequent Event [Line Items]
Number of trials completed | trial			2
Subsequent Event
Subsequent Event [Line Items]
Termination period for Fill/Finish Capacity Reservation Agreement	30 days
Subsequent Event | License Agreements | Althea
Subsequent Event [Line Items]
Non-refundable capacity reservation fee payments made		$ 1.6
Subsequent Event | License Agreements | Althea | Maximum
Subsequent Event [Line Items]
Aggregate amount of capacity reservation fee payment commitments	$ 16.0