Leases - Additional Information (Details) $ in Millions	1 Months Ended				3 Months Ended
	May 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021 Room	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Lease expiration date		Jun. 30, 2026	Jun. 30, 2026	Jun. 30, 2024
Termination, description					The leases contain various termination options.
Lessee, Operating Lease, Existence of Option to Terminate [true false]					true
Operating lease, weighted average remaining lease term					3 years 2 months 12 days
Operating lease, weighted average discount rate					9.00%
Operating lease costs | $					$ 0.1	$ 0.1
Operating lease payments | $					$ 0.1	$ 0.1
Minimum
Lessee, Lease, Description [Line Items]
Lease, remaining term					1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease, remaining term					4 years
Laboratory
Lessee, Lease, Description [Line Items]
Number of lab lease | Room				2
Lease, renewal term				2 years
Laboratory | Belgium
Lessee, Lease, Description [Line Items]
Lease, term of contract				3 years
Office Space
Lessee, Lease, Description [Line Items]
Number of lab lease | Room				2
Lease, renewal term				2 years
Office Space | Belgium
Lessee, Lease, Description [Line Items]
Lease, term of contract				3 years
Office Space | California
Lessee, Lease, Description [Line Items]
Lease expiration date	Jun. 30, 2026
Lease commencement date	Jun. 01, 2022