Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues	$ 0	$ 0	$ 0	$ 0
Operating expenses:
Research and development	3,600	4,090	7,036	8,342
General and administrative	2,091	2,064	4,568	4,457
Depreciation and amortization	29	31	59	63
Total operating expenses	5,720	6,185	11,663	12,862
Loss from operations	(5,720)	(6,185)	(11,663)	(12,862)
Other income (loss):
Gain from change in fair value of warrant liability	9,609	1,696	18,663	3,151
Transaction costs allocated to warrant liabilities	(1,207)	0	(2,995)	0
Loss on issuance of warrant liabilities	(10,352)	0	(18,150)	0
Other income, net	4	11	13	22
Interest income, net	26	159	56	400
Net loss	$ (7,640)	$ (4,319)	$ (14,076)	$ (9,289)
Net loss per common share - basic and diluted (in dollars per share)	$ (0.49)	$ (1.7)	$ (1.13)	$ (3.71)
Weighted average common shares outstanding, basic and diluted (in shares)	15,526,401	2,543,244	12,452,165	2,504,709
Net loss	$ (7,640)	$ (4,319)	$ (14,076)	$ (9,289)
Other comprehensive income (loss):
Foreign currency translation	0	8	3	(1)
Comprehensive loss	$ (7,640)	$ (4,311)	$ (14,073)	$ (9,290)