Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Schedule of Components of Lease Expense

The components of lease expense were as follows (in thousands):

	Year Ended December 31,
	2022		2021		2020
Operating lease cost*	$	469	$	623	$	904

* Inclusive of variable lease costs, sublease income, and impairment, which were immaterial for the periods presented.

Schedule of Leases Supplemental Quantitative Information

Supplemental quantitative information related to leases includes the following:

	Year Ended December 31,
	2022			2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	(746	)	$	(654	)
ROU assets obtained in exchange for new operating lease liabilities	$	320		$	—
Weighted average remaining lease term in years—operating leases		1.8			2.8
Weighted average discount rate—operating leases		11.8	%		12.2	%

Schedule of Lease Maturities of Lease Liabilities

were as follows (in thousands):

Year Ended December 31,	Amount
2023	$	872
2024		703
2025		—
2026		—
2027		—
Total lease payments		1,575
Less imputed interest		(165	)
Total lease liabilities		1,410
Less current portion of lease liability		745
Lease liability, net of current portion	$	665