Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating activities
Net loss	$ (27,592)	$ (12,470)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	538	222
Non-cash lease expense	4	1
Depreciation	20	6
Change in fair value of warrant liabilities	(297)	(2,955)
Change in operating assets and liabilities:
Prepaid expenses and other assets	20	70
Accounts payable	3,058	113
Accrued and other liabilities	(461)	4,214
Net cash used in operating activities	(24,710)	(10,799)
Investing activities
Purchases of property and equipment	(8)	(50)
Net cash used in investing activities	(8)	(50)
Financing activities
Proceeds from the issuance of common stock and warrants under the securities purchase agreements	19,998
Proceeds from exercise of warrants	1
Payments of issuance costs in connection with the securities purchase agreements	(1,651)	(80)
Payment of employee withholding taxes related to shares withheld from issuance for vested restricted stock units	(48)
Net cash provided by (used in) financing activities	18,300	(80)
Net decrease in cash	(6,418)	(10,929)
Cash at beginning of period	22,435	33,364
Cash at end of period	16,017	22,435
Supplemental non-cash investing and financing transactions:
Fair value of warrants issued to placement agent	309
Right-of-use assets obtained in exchange for operating lease liabilities		223
Reclassification of warrant liabilities upon exercise of warrants	$ 1	$ 7,183