Commitments and Contingencies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Product Liability Contingency [Line Items]
Other commitments, due in next twelve months	$ 0.9
Term over which commitment expenses are incurred	12 months
Drug Supplier Project Plan
Product Liability Contingency [Line Items]
Other commitments	$ 1.0
Manufacturer of Prexigebersen
Product Liability Contingency [Line Items]
Other commitments	0.8
Testing Services
Product Liability Contingency [Line Items]
Other commitments	$ 0.2