Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (26,905)	$ (19,931)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	28	19
Stock-based compensation expense	3,115	1,607
Accretion of debt discount on available-for-sale securities	(240)	(11)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	1,590	262
Accounts payable	488	3,851
Accrued liabilities	1,508	1,600
Net cash used in operating activities	(20,416)	(12,603)
Cash flows from investing activities:
Purchase of property and equipment	(61)	(6)
Proceeds from redemptions of short-term investments	36,350	0
Net cash provided by (used in) investing activities	36,289	(6)
Cash flows from financing activities:
Proceeds from issuance of common stock and pre-funded warrants	75,000	0
Payment of issuance costs associated with financings	(6,966)	0
Proceeds from issuance of common stock under ESPP	9	8
Proceeds from exercise of warrants	2
Taxes paid related to net share settlement of equity awards	(18)	(26)
Net cash provided by (used in) financing activities	68,027	(18)
Net increase (decrease) in cash and cash equivalents	83,900	(12,627)
Cash and cash equivalents — beginning of period	22,244	37,125
Cash and cash equivalents — end of period	106,144	24,498
Supplemental disclosure of non-cash investing and financing activities
Unpaid issuance costs recorded in accounts payable and accrued liabilities	$ 409	$ 0