Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net loss	$ (50,773)	$ (34,342)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Depreciation and amortization	259	449
Share-based compensation	6,543	6,322
Amortization of premium and discount on marketable securities	(477)	(1,381)
ROU asset amortization	843	945
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	4,804	(4,318)
Accounts payable	846	(3,130)
Accrued expenses	2,397	402
Operating lease liability	(331)	(640)
Net cash used in operating activities	(35,889)	(35,693)
Cash flows from investing activities:
Purchase of property and equipment	(25)	(44)
Purchases of marketable securities	(167,082)	(78,297)
Proceeds from sale or maturities of marketable securities	77,179	109,743
Net cash (used in) provided by investing activities	(89,928)	31,402
Cash flows from financing activities:
Proceeds from issuance of common stock and warrants	137,999	18,113
Issuance costs from issuance of common stock	(8,638)	(545)
Taxes paid related to net shares settlement of RSUs	(815)	(136)
Net cash provided by financing activities	128,546	17,432
Net change in cash, cash equivalents and restricted cash	2,729	13,141
Cash, cash equivalents and restricted cash at beginning of period	44,051	24,228
Cash, cash equivalents and restricted cash at end of period	46,780	37,369
Reconciliation of cash, cash equivalents and restricted cash to the Condensed Consolidated Balance Sheets
Cash and cash equivalents	46,212	19,404
Restricted cash	568	0
Total cash, cash equivalents and restricted cash	46,780	19,404
Supplemental disclosure of cash flow information
Unrealized gain (loss) on marketable securities	$ 64	$ (449)