Supplemental Balance Sheet Disclosures - Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	$ 16,658	$ 11,005
Restricted cash included in prepaid expenses and other current assets	30
Total cash, cash equivalents and restricted cash	$ 16,688	$ 11,005	$ 4,700	$ 3,331
Restricted Cash and Cash Equivalents, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets