Unaudited Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities
Net loss	$ (34,045)	$ (44,306)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	298	469
Change in fair value of warrant liability	(1,583)	0
Stock-based compensation	3,022	4,796
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(383)	258
Accounts payable and accrued expenses	2,535	(10,924)
Right-of-use assets and lease liabilities, net	(252)	(314)
Net cash used in operating activities	(30,408)	(50,021)
Cash flows from financing activities
Payment of financing costs	(444)	0
Proceeds from issuance of common stock under Employee Stock Purchase Plan	47	244
Payments for taxes related to net settlement of equity awards	(34)	(32)
Net cash provided by (used in) financing activities	(431)	212
Net decrease in cash and cash equivalents	(30,839)	(49,809)
Cash and cash equivalents, beginning of period	49,046	111,471
Cash and cash equivalents, end of period	18,207	61,662
Supplemental disclosure of non-cash investing and financing activities
Increase in right-of-use assets and operating lease liabilities resulting from contract modification	5,999	0
Tax related to net settlement of equity awards included in accounts payable and accrued expenses	$ 0	$ 4