Notes Payable - Schedule of Aggregate Carrying Amounts of Term Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Less: unamortized discount	$ (112)
Total	10,227
Line of Credit
Debt Instrument [Line Items]
Principal	10,000	$ 10,000
Add: accreted liability for Final Payment fee	339	310
Less: unamortized discount	(112)	(132)
Total	$ 10,227	$ 10,178