STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net Loss	$ (40,956)	$ (21,543)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	4,391	974
Non-cash operating lease expense	77
Net amortization (accretion) of premium (discount) on investments	(692)	53
Changes in operating assets and liabilities:
Increase in prepaid expenses and other current assets	(958)	(1,387)
Increase in other assets	(720)
Increase in accounts payable	2,497	417
Increase in accrued compensation	1,252	490
Increase in accrued liabilities	1,724	512
Decrease in operating lease liabilities	(77)
Net cash used in operating activities	(33,462)	(20,484)
Cash flows from investing activities:
Purchases of investments	(93,836)	(77,274)
Maturities of investments	72,065	27,250
Net cash used in investing activities	(21,771)	(50,024)
Cash flows from financing activities:
Proceeds from issuance of common stock from the initial public offering, net of underwriting discounts, commissions and offering expenses	70,366
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs		79,734
Payments of issuance costs for initial public offering		(1,210)
Proceeds from exercise of stock options		11
Repurchase of early exercised stock options	(11)
Net cash provided by financing activities	70,355	78,535
Net increase in cash	15,122	8,027
Cash at beginning of period	12,097	4,070
Cash at end of period	27,219	12,097
Supplemental disclosure of noncash financing items:
Conversion of redeemable convertible preferred stock into common stock	111,139
Accretion to redemption value and cumulative dividends on preferred stock	$ 1,820	6,515
Issuance costs for initial public offering included in accounts payable and accrued liabilities		$ 514