Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Commitments And Contingencies Disclosure [Abstract]

Schedule of Other Information related to Stamford Lease and lease amendment

Other information related to the Stamford Lease and Lease Amendment was as follows:

	Three Months Ended						Nine Months Ended
	September 30, 2021			September 30, 2020			September 30, 2021			September 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows relating to operating leases	$	482		$	312		$	1,436		$	927
ROU assets obtained in exchange for new operating lease liabilities	$	—		$	—		$	—		$	—
Remaining lease term - operating leases (years)		2.3			3.3			2.3			3.3
Discount rate - operating leases		7.0	%		7.0	%		7.0	%		7.0	%

Schedule of Future Minimum Lease Payments under Non-cancellable Operating Leases, Reconciliation of Undiscounted Cash Flows to the Operating Lease Liability

Future minimum lease payments under non-cancellable operating leases, as well as a reconciliation of these undiscounted cash flows to the operating lease liability as of September 30, 2021, were as follows:

Year Ending December 31,
2021 (Excluding the nine months ended September 30, 2021)	$	485
2022		1,957
2023		1,992
Total future minimum lease payments, undiscounted		4,434
Less imputed interest		(345)
Total	$	4,089
Operating lease liabilities reported as of September 30, 2021:
Operating lease liabilities - current	$	1,716
Operating lease liabilities - non-current		2,373
Total	$	4,089