Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Cash flows from operating activities:
Net loss	$ (6,436)	$ (4,970)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	31	32
Stock-based compensation	485	493
Change in fair value of warrant liability	(9,054)	(1,455)
Loss on issuance of warrant liabilities	7,798	0
Operating lease, net	118	108
Transaction costs allocated to warrant liabilities	1,788	0
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(708)	590
Accounts payable	676	(394)
Accrued expenses and other current liabilities	738	(1,121)
Net cash used in operating activities	(4,564)	(6,717)
Cash flows from investing activities:
Purchase of fixed assets	0	0
Net cash used in investing activities	0	0
Cash flows from financing activities:
Proceeds from exercise of warrants	4	0
Proceeds from sale of common stock, pre-funded and common warrants, net of issuance and transaction costs, and warrant inducement	7,995	0
Net cash provided by financing activities	7,999	0
Effect of exchange rate changes on cash and cash equivalents	3	(9)
Net increase (decrease) in cash and cash equivalents	3,438	(6,726)
Cash and cash equivalents, - beginning of period	4,278	23,550	$ 23,550
Cash and cash equivalents, - end of period	7,716	16,824	$ 4,278
Non-cash investing and financing activities:
Transaction costs related to the sale of common stock, pre-funded and common warrants	457	0
Offering costs included in accounts payable and accrued liabilities	$ 22	$ 0