CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows used in operating activities
Net Loss	$ (47,834)	$ (29,114)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	6,180	2,919
Non-cash operating lease expense	53	57
Net accretion of discount on investments	(1,549)	(317)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(405)	(2,010)
Accounts payable	2,660	1,816
Accrued compensation	28	190
Accrued liabilities	3,727	692
Operating lease liabilities	(53)	(57)
Other current liabilities	973
Net cash used in operating activities	(36,220)	(25,824)
Cash flows from investing activities
Purchases of investments	(112,348)	(76,391)
Maturities of investments	68,650	48,565
Net cash used in investing activities	(43,698)	(27,826)
Cash flows from financing activities
Proceeds from issuance of common stock from the Underwritten Offering, net of commissions and offering expenses	65,800
Proceeds from issuance of common stock from the "at-the-market" offering, net of commissions and offering expenses	19,050
Proceeds from issuance of common stock under the ESPP	366
Proceeds from exercise of stock options	99
Proceeds from issuance of common stock from the initial public offering, net of underwriting discounts, commissions and offering expenses		70,366
Repurchase of early exercised stock options		(11)
Net cash provided by financing activities	85,315	70,355
Net increase in cash and cash equivalents	5,397	16,705
Cash and cash equivalents at the beginning of the period	27,219	12,097
Cash and cash equivalents at the end of the period	32,616	28,802
Supplemental disclosure of noncash financing items
Deferred offering costs included in accounts payable and accrued liabilities	$ 321
Conversion of redeemable convertible preferred stock into common stock		111,139
Accretion to redemption value and cumulative dividends on preferred stock		$ 1,820