Prepaid Expenses and Other Current Assets and Accrued and Other Current Liabilities - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Other Current Assets And Other Current Liabilities [Abstract]
Prepaid expenses	$ 1,823	$ 1,574
Restricted cash	1,180	1,180
Securities litigation insurance receivable	0	1,250
Other current assets	352	398
Prepaid expenses and other current assets	$ 3,355	$ 4,402