Leases - Additional Information (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Lessee Lease Description [Line Items]
Operating lease liability, non current	$ 534
Operating lease, right-of-use asset	815
ASC 842
Lessee Lease Description [Line Items]
Operating lease liability, current	300
Operating lease liability, non current	800
Operating lease, right-of-use asset	$ 1,100
Operating lease, discount rate	5.30%
ASC 842 | Office
Lessee Lease Description [Line Items]
Non-cancelable operating lease, term	3 years 2 months 12 days
ASC 842 | Laboratory Space
Lessee Lease Description [Line Items]
Non-cancelable operating lease, term	1 year 1 month 6 days