Leases - Narratives (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jan. 01, 2022
Lessee, Lease, Description [Line Items]
Lease liability		$ 1,467		$ 1,467
Right-of-use assets		1,145		1,145		$ 1,227
Operating lease cost		100	$ 100	200	$ 200
Operating lease payments made		100	$ 100	200	$ 200
Operating Lease, Liability, Current		$ 343		$ 343		$ 340
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Accrued Liabilities, Current		Accrued Liabilities, Current
Operating Lease, Liability, Noncurrent		$ 1,100		$ 1,100
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Other Liabilities, Noncurrent		Other Liabilities, Noncurrent
Office and laboratory space | Pennsylvania
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Renewal term of operating lease	60 months
Incremental borrowing rate							9.75%
Remaining lease term		5 years		5 years