Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net loss	$ (25,399)	$ (7,024)	$ (49,112)	$ (19,464)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	21	31	81	95
Stock-based compensation			1,205	1,299
Change in fair value of warrant liability	(1,591)	(0)	(1,031)	(0)
Loss on issuance of warrant liabilities	20,609	0	30,962	0
Operating lease, net			113	106
Transaction costs allocated to warrant liabilities			1,737	0
Changes in operating assets and liabilities:
Prepaid expenses and other assets			(1,166)	522
Accounts payable			43	52
Accrued expenses and other current liabilities			(201)	(1,389)
Net cash used in operating activities			(17,369)	(18,779)
Cash flows from investing activities:
Purchase of fixed assets			0	(13)
Net cash used in investing activities			0	(13)
Cash flows from financing activities:
Proceeds from exercise of warrants			1,121	0
Payment of tax liability for vested restricted stock units			0	(26)
Proceeds from sale of common stock, pre-funded and common warrants and warrant inducement, net of issuance and transaction costs			18,676	4,660
Net cash provided by financing activities			19,797	4,634
Effect of exchange rate changes on cash and cash equivalents			(3)	13
Net increase (decrease) in cash and cash equivalents			2,425	(14,145)
Cash and cash equivalents - beginning of period			4,278	23,550
Cash and cash equivalents - end of period	$ 6,703	$ 9,405	6,703	9,405
Non-cash investing and financing activities:
Transaction costs related to the sale of common stock, pre-funded and common warrants			351	156
Offering costs included in accounts payable and accrued liabilities			$ 584	$ 42