Commitments and Contingencies (Details) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)
Product Liability Contingency [Line Items]
Other commitments, due in next twelve months	$ 5.0
Drug Supplier Project Plan [Member]
Product Liability Contingency [Line Items]
Other commitments	$ 5.0
Term commitments are incurred	12 months
Manufacture of Drug Substance [Member]
Product Liability Contingency [Line Items]
Other commitments	$ 2.4
Manufacturer of Prexigebersen [Member]
Product Liability Contingency [Line Items]
Other commitments	1.8
Manufacturing Development [Member]
Product Liability Contingency [Line Items]
Other commitments	0.6
Testing Services [Member]
Product Liability Contingency [Line Items]
Other commitments	$ 0.2