Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating expenses
Research and development	$ 1,697	$ 1,730
General and administrative	2,253	2,851
Total operating expenses	3,950	4,581
Loss from operations	(3,950)	(4,581)
Other income (expense)
Interest expense	(143)	(433)
Change in fair value of convertible notes	(5,758)	100
Change in fair value of warrants liability	(2,846)	36
Change in the fair value of the forward purchase agreement derivative liability	0	(2,218)
Total other income (expense), net	(8,747)	(2,515)
Loss before provision for income taxes	(12,697)	(7,096)
Provision for income taxes	0	0
Net loss	$ (12,697)	$ (7,096)
Net loss per share:
Net loss per share of common stock, basic	$ (0.19)	$ (0.54)
Net loss per share of common stock, diluted	$ (0.19)	$ (0.54)
Weighted-average shares outstanding - basic	67,106,081	13,025,852
Weighted-average shares outstanding - diluted	67,106,081	13,025,852