Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025
Cash flows from operating activities:
Net loss	$ (42,547)	$ (25,582)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	176	162
Stock-based compensation	522	312
Amortization of operating lease right-of-use assets	1,049	986
Net amortization of premiums and discounts on marketable securities	(1,431)	(1,221)
Changes in assets and liabilities:
Prepaid expenses and other current assets	1,856	(523)
Other assets	(61)	(479)
Accounts payable	636	272
Accrued liabilities	2,785	(3,038)
Lease liabilities	(848)	(991)
Income taxes payable, noncurrent	128	0
Net cash used in operating activities	(37,735)	(30,102)
Cash flows from investing activities:
Purchases of property and equipment	(93)	(38)
Purchases of investments in marketable securities	(81,544)	(100,438)
Proceeds from maturities of marketable securities	74,000	67,000
Net cash used in investing activities	(7,637)	(33,476)
Cash flows from financing activities:
Proceeds from issuance of common stock	255	131
Proceeds from sales of Series B redeemable convertible preferred stock	50,000	41,779
Payment of Series B redeemable convertible preferred stock issuance costs	(177)	(10)
Payment of initial public offering costs	(2,928)	0
Net cash provided by financing activities	47,150	41,900
Net increase (decrease) in cash, cash equivalents and restricted cash	1,778	(21,678)
Cash, cash equivalents and restricted cash, beginning of period	15,192	47,469
Cash, cash equivalents and restricted cash, end of period	16,970	25,791
Supplemental disclosure:
Cash paid for income taxes, net of refunds received	100	1,965
Supplemental disclosure of non-cash transactions:
Right-of-use assets acquired in exchange for lease obligations	2,944	1,346
Property and equipment included in accounts payable and accrued liabilities	426	0
Unpaid deferred initial public offering costs included in accounts payable and accrued liabilities	$ 1,666	$ 0