Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net loss	$ (81,828,000)	$ (41,567,000)	$ (5,324,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation expense	691,000	249,000	8,000
Non-cash operating lease expense	571,000	704,000	124,000
Stock-based compensation expense	10,336,000	6,234,000	322,000
Net amortization of premiums and accretion of discounts on investments	144,000	516,000
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(1,725,000)	(2,517,000)	(472,000)
Other assets	(1,915,000)	(1,218,000)	(12,000)
Accounts payable	2,960,000	640,000	418,000
Accrued expenses and other current liabilities	8,914,000	2,110,000	588,000
Operating lease liabilities	(565,000)	(589,000)	(111,000)
Net cash used in operating activities	(62,417,000)	(35,438,000)	(4,459,000)
Cash flows from investing activities
Purchase of property and equipment	(1,030,000)	(3,171,000)	(51,000)
Purchase of investments		(38,492,000)
Maturities of investments	28,371,000	8,308,000
Net cash provided by (used in) investing activities	27,341,000	(33,355,000)	(51,000)
Cash flows from financing activities
Proceeds from issuance of common stock, net of issuance costs			10,192,000
Proceeds from issuance of Series A convertible preferred stock, net of issuance costs			55,738,000
Proceeds from issuance of common stock from initial public offering, net of issuance costs		152,753,000
Proceeds from exercise of stock options and purchases under the employee stock purchase plan	1,239,000	468,000
Proceeds (payment) from Paycheck Protection Program loan		(36,000)	36,000
Net cash provided by financing activities	1,239,000	153,185,000	65,966,000
Net increase in cash, cash equivalents, and restricted cash	(33,837,000)	84,392,000	61,456,000
Cash, cash equivalents, and restricted cash at the beginning of the period	146,087,000	61,695,000	239,000
Cash, cash equivalents, and restricted cash at the end of the period	112,250,000	146,087,000	61,695,000
Non-cash financing and investing activities:
Acquisition of operating lease right-of-use assets		3,216,000	334,000
Acquisition of property and equipment included in accounts payable and accrued expenses and other current liabilities	2,537,000		38,000
Unpaid deferred offering costs			29,000
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	111,899,000	145,736,000	61,695,000
Restricted cash	351,000	351,000
Cash, cash equivalents, and restricted cash at the end of the period	$ 112,250,000	$ 146,087,000	$ 61,695,000