Condensed Statements of Cash Flows - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net loss			$ (33,624,000)	$ (14,251,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation expense	$ 200,000	$ 22,000	336,000	34,000
Non-cash operating lease expense			282,000	381,000
Stock-based compensation expense			4,889,000	2,382,000
Net amortization of premiums and accretion of discounts on investments			126,000	204,000
Changes in operating assets and liabilities:
Prepaid expenses and other current assets			(1,460,000)	(1,421,000)
Other assets			(394,000)	12,000
Accounts payable			1,081,000	237,000
Accrued expenses and other current liabilities.			3,618,000	2,259,000
Operating lease liabilities			(275,000)	(388,000)
Net cash used in operating activities			(25,421,000)	(10,551,000)
Investing Activities
Purchase of property and equipment			(368,000)	(838,000)
Purchase of investments				(38,492,000)
Maturities of investments			28,185,000	1,500,000
Net cash provided by (used in) investing activities			27,817,000	(37,830,000)
Financing Activities
Proceeds from stock option exercise and purchases under the employee stock purchase plan			349,000	225,000
Net proceeds from issuance of common stock from initial public offering				152,753,000
Series A financing costs incurred				(3,000)
Payment of Paycheck Protection Program loan				(36,000)
Net cash provided by financing activities			349,000	152,939,000
Net increase (decrease) in cash, cash equivalents, and restricted cash			2,745,000	104,558,000
Cash, cash equivalents, and restricted cash at the beginning of the period			146,087,000	61,695,000
Cash, cash equivalents, and restricted cash at the end of the period	148,832,000	166,253,000	148,832,000	166,253,000
Non-cash financing and investing activities:
Acquisition of property and equipment in accounts payable and accrued liabilities				610,000
Acquisition of operating lease right-of-use assets				3,216,000
Conversion of Series A convertible preferred stock into common stock				55,735,000
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents	148,481,000	166,037,000	148,481,000	166,037,000
Restricted cash	351,000	216,000	351,000	216,000
Cash, cash equivalents, and restricted cash at the end of the period	$ 148,832,000	$ 166,253,000	$ 148,832,000	$ 166,253,000