CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating expenses:
Research and development	$ 4,362	$ 5,813	$ 14,659	$ 18,910
General and administrative	2,967	3,548	9,936	10,782
Total operating expenses	7,329	9,361	24,595	29,692
Loss from operations	(7,329)	(9,361)	(24,595)	(29,692)
Non-operating income:
Change in fair value of warrant liability	0	0	0	4
Interest income	221	94	451	484
Total non-operating income	221	94	451	488
Net loss	$ (7,108)	$ (9,267)	$ (24,144)	$ (29,204)
Per share information:
Net loss per common share, basic (in dollars per share)	$ (0.10)	$ (0.33)	$ (0.42)	$ (1.09)
Net loss per common share, diluted (in dollars per share)	$ (0.10)	$ (0.33)	$ (0.42)	$ (1.09)
Weighted-average common shares outstanding, basic (in shares)	68,254,021	28,355,427	56,940,617	26,767,914
Weighted-average common shares outstanding, diluted (in shares)	68,254,021	28,355,427	56,940,617	26,767,914