CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (21,384)	$ (23,290)	$ (67,739)	$ (59,131)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation			1,125	830
Stock-based compensation expense			8,110	5,126
Amortization and interest accretion related to operating lease			2,811	(212)
Amortization and accretion of premium and discounts on marketable securities, net			(2,905)
Other non-cash adjustments			20
Changes in operating assets and liabilities:
Prepaids and other current and non-current assets			(1,239)	757
Accounts payable			4,916	2,561
Accrued expenses and other non-current liabilities			(5,750)	1,985
Operating lease liabilities, current and non-current			(2,246)	(1,489)
Net cash used in operating activities			(62,897)	(49,573)
Cash flows from investing activities:
Purchases of property and equipment			(269)	(2,415)
Purchases of marketable securities			(123,900)
Maturities of marketable securities			60,000
Net cash used in investing activities			(64,169)	(2,415)
Cash flows from financing activities:
Issuance of common stock upon initial public offering, net of underwriters' fees			76,878
Payment of offering costs			(511)	(430)
Issuance of common stock from At-the-Market Sales Agreement, net of underwriters' fees			9,900
Proceeds from employee equity plans			2,354	215
Net cash provided by financing activities			88,621	(215)
Effect of exchange rate changes on cash			(40)	64
Net decrease in cash, cash equivalents and restricted cash			(38,485)	(52,139)
Cash, cash equivalents and restricted cash at beginning of period			82,322	183,225
Cash, cash equivalents and restricted cash at end of period	43,837	131,086	43,837	131,086
Components of cash, cash equivalents and restricted cash
Cash and cash equivalents	42,289	129,538	42,289	129,538
Restricted Cash	1,548	1,548	1,548	1,548
Total cash, cash equivalents and restricted cash at end of period	$ 43,837	$ 131,086	43,837	131,086
Supplemental noncash investing and financing activities
Property and equipment included in accounts payable and accrued expenses			14	123
Deferred offering costs in accounts payable and accrued expenses				$ 12
Cash paid for taxes			$ 71