Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (51,130)	$ (30,714)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,013	605
Non-cash operating lease expense	890	515
Stock-based compensation	1,888	1,045
Amortization of premiums (discounts), net	(601)
Deferred income tax	(338)
Other	52	5
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(1,249)	(34)
Accounts receivable	(60)	(33)
Other non-current assets	(173)	(215)
Accounts payable	2,419	(1,131)
Accrued expenses and other current liabilities	579	559
Operating lease, net	198	(528)
Net cash used in operating activities	(46,512)	(29,926)
Cash flows from investing activities:
Purchase of property and equipment	(1,491)	(1,639)
Proceeds from sale of non-financial asset	22,625	25,000
Purchases of available-for-sale marketable securities	(65,828)
Maturities of available-for-sale marketable securities	17,335
Net cash (used in) provided by investing activities	(27,359)	23,361
Cash flows from financing activities:
Proceeds from issuance of Series B Convertible Preferred Stock, net of issuance costs	74,942	74,521
Repurchases of unvested restricted common stock	(1)	(1)
Proceeds from exercise of stock options	16
Payments of deferred offering costs	(1,327)
Net cash provided by financing activities	73,630	74,520
Net (decrease) increase in cash, cash equivalents and restricted cash	(241)	67,955
Cash, cash equivalents and restricted cash, beginning of period	89,388	31,469
Cash, cash equivalents and restricted cash, end of period	89,147	99,424
Cash and cash equivalents	88,242	98,519
Restricted Cash	905	905
Total cash, cash equivalents and restricted cash at end of period	89,147	99,424
Supplemental cash flow information:
Cash paid for income taxes	232
Supplemental disclosure for noncash investing and financing activities:
Right-of-use asset obtained in exchange for operating lease liability	(12,462)
Unpaid deferred offering costs included in accounts payable and accrued expenses and other current liabilities	1,882
Property and equipment included in accounts payable and accrued expenses and other current liabilities	$ 321	$ 355