Leases - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	May 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019	Apr. 30, 2016	Apr. 30, 2014
Operating Lease, Term of Contract						5 years
Operating Lease, Renewal Term	5 years
Option to extend the term of the lease term	true
Operating Lease Incremental Borrowing Rate Utilized		8.00%
Operating Lease, Payments		$ 100
Operating Lease, Right-of-Use Asset		288	$ 367
Operating Lease, Liability		$ 330	415
Non-cash leasehold improvements			31
Operating Lease, Weighted Average Remaining Lease Term		3 years 6 months
Accounting Standards Update 2018-11 [Member]
Operating Lease, Right-of-Use Asset			$ 300	$ 100
Operating Lease, Liability		$ 300		$ 100
Lab Space [Member]
Operating Lease, Term of Contract					3 years