Leases - Balance Sheet related information (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jan. 01, 2022
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 182	$ 200
Total operating lease liability		$ 200
Office and laboratory space
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	182
Operating lease liability	64
Operating lease liability, net of current portion	124
Total operating lease liability	$ 188