CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net loss			$ (35,284)	$ (26,670)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	$ 200	$ 100	452	254
Stock-based compensation expense			6,910	5,332
Non-cash lease expense			453	386
Net amortization of premiums and accretion of discounts on investments			(1,676)	(1,901)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets			413	2,016
Accounts payable			(3,215)	363
Accrued expenses and other liabilities			1,384	111
Operating lease liabilities			(423)	(360)
Net cash used in operating activities			(30,986)	(20,469)
Cash flows from investing activities:
Purchases of short-term and long-term investments			(163,167)	(16,963)
Proceeds from maturities of short-term investments			81,925	45,765
Purchases of property and equipment			(952)	(137)
Net cash (used in) provided by investing activities			(82,194)	28,665
Cash flows from financing activities:
Proceeds from issuance of common stock in private placement			69,997
Proceeds from issuance of pre-funded warrants in private placement			60,003
Proceeds from exercise of stock options			90	379
Payments of offering costs			(6,236)
Payments of tax withholdings related to vesting of restricted stock units			(676)
Net cash provided by financing activities			123,178	379
Net increase in cash, cash equivalents, and restricted cash			9,998	8,575
Cash, cash equivalents and restricted cash at beginning of period			36,429	29,907
Cash, cash equivalents and restricted cash at end of period	46,427	38,482	46,427	38,482
Supplemental disclosure of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable			123
Offering costs in accounts payable and accrued expenses and other current liabilities			308
Reconciliation of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	46,006	38,074	46,006	38,074
Restricted cash	421	408	421	408
Total cash, cash equivalents, and restricted cash	$ 46,427	$ 38,482	$ 46,427	$ 38,482