Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue	$ 0	$ 0	$ 0	$ 0
Operating expenses:
Research and development	3,741	187	7,204	1,997
General and administrative	5,298	1,893	9,040	4,072
Restructuring and other costs	0	(88)	0	934
Total operating expenses	9,039	1,992	16,244	7,003
Loss from operations	(9,039)	(1,992)	(16,244)	(7,003)
Other income, net	97	205	189	437
Net loss	$ (8,942)	$ (1,787)	$ (16,055)	$ (6,566)
Net loss per share - basic	$ (0.45)	$ (0.39)	$ (1.13)	$ (1.45)
Net loss per share - diluted	$ (0.45)	$ (0.39)	$ (1.13)	$ (1.45)
Weighted average common shares outstanding - basic	19,911,462	4,541,167	14,172,326	4,541,167
Weighted average common shares outstanding - diluted	19,911,462	4,541,167	14,172,326	4,541,167
Comprehensive loss:
Net loss	$ (8,942)	$ (1,787)	$ (16,055)	$ (6,566)
Other comprehensive gain:
Unrealized gain on investments, net of tax of $0	41	8	41	46
Total other comprehensive gain	41	8	41	46
Total comprehensive loss	$ (8,901)	$ (1,779)	$ (16,014)	$ (6,520)