Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 22,385	$ 9,374
Accrued expenses and reserves	1,129	1,336
Research and development credits	2,073	534
Stock-based compensation	4,198	1,782
Lease liabilities	6,182	0
Other	56	13
Gross deferred tax assets	36,023	13,039
Less valuation allowance	(30,194)	(12,443)
Net deferred tax assets	5,829	596
Deferred tax liabilities:
Fixed assets and intangibles	(490)	(596)
Right-of-use assets	5,339	0
Gross deferred tax liabilities	(5,829)	(596)
Total net deferred tax assets (liabilities)	$ 0	$ 0