Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Net loss			$ (56,514)	$ (26,857)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation expense	$ 200	$ 100	510	99
Non-cash operating lease expense			426	566
Stock-based compensation expense			7,620	4,303
Net amortization of premiums and accretion of discounts on investments			136	361
Changes in operating assets and liabilities:
Prepaid expenses and other current assets			(2,358)	(1,170)
Other assets			747	(11)
Accounts payable			(13)	419
Accrued expenses and other current liabilities.			7,649	3,205
Operating lease liabilities			(419)	(454)
Net cash used in operating activities			(42,216)	(19,539)
Investing Activities
Purchase of property and equipment			(318)	(2,878)
Purchase of investments				(38,492)
Maturities of investments			28,360	3,465
Net cash provided by (used in) investing activities			28,042	(37,905)
Financing Activities
Proceeds from stock option exercise and purchases under the employee stock purchase plan			749	225
Net proceeds from issuance of common stock from initial public offering				152,753
Series A financing costs incurred				(3)
Payment of Paycheck Protection Program loan				(36)
Net cash provided by financing activities			749	152,939
Net increase (decrease) in cash, cash equivalents, and restricted cash			(13,425)	95,495
Cash, cash equivalents, and restricted cash at the beginning of the period			146,087	61,695
Cash, cash equivalents, and restricted cash at the end of the period	132,662	157,190	132,662	157,190
Non-cash financing and investing activities:
Acquisition of property and equipment in accounts payable and accrued liabilities			276	103
Acquisition of operating lease right-of-use assets				3,216
Conversion of Series A convertible preferred stock into common stock				55,735
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents	132,311	156,974	132,311	156,974
Restricted cash	351	216	351	216
Cash, cash equivalents, and restricted cash at the end of the period	$ 132,662	$ 157,190	$ 132,662	$ 157,190