Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Condensed Consolidated Statements of Operations
Grant revenue	$ 966	$ 796
Operating expenses
Research and development	8,016	9,604
General and administrative	3,178	2,538
Total operating expenses	11,194	12,142
Loss from operations	(10,228)	(11,346)
Other income (expense)
Interest income	52	18
Interest expense	(1,820)
Change in fair value of convertible debt	(13,025)	(3,162)
Total other (expense) income, net	(14,793)	(3,144)
Net loss	$ (25,021)	$ (14,490)
Per share information:
Net loss per share, basic (in dollars per share)	$ (0.69)	$ (0.40)
Net loss per share, diluted (in dollars per share)	$ (0.69)	$ (0.40)
Weighted average shares outstanding, basic (in shares)	36,124,980	36,045,040
Weighted average shares outstanding, diluted (in shares)	36,124,980	36,045,040