Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Lease description		the Company entered into an agreement to lease approximately 10.3 square feet of office space in New York, New York (“Office Lease”), which commenced in April 2021. The office space is owned by an affiliate of Deerfield Management Company, L.P., which together with its affiliates beneficially owned more than 5% of the Company’s voting securities at the time the lease was executed. Annual rent is approximately $1,117.
Restricted cash	$ 745	$ 745
Operating leases	1,009	$ 66
Right of use asset obtained in exchange for operating lease liabilities	$ 6,549