Licensing and Commercialization Agreements (Details) - DelSiTech - License Agreement	3 Months Ended	6 Months Ended
	Jun. 30, 2022 EUR (€)	Jun. 30, 2022 EUR (€)
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Payment period		60 days
Termination notice period		60 days
Zimura
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Payments for license fees	€ 1,250,000
Zimura | Achievement of specified clinical and development milestones
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Amount to be paid on achievement of milestone	€ 35,000,000	€ 35,000,000
Zimura | Achievement of specified commercial sales milestones
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Payments for license fees		€ 60,000,000