Condensed Consolidated Statements of Operations (Unaudited) - 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	$ 1,112	$ 2,395	$ 4,523	$ 7,101
Operating expenses:
Research and development	15,073	19,791	35,730	32,305
General and administrative	7,338	5,988	14,422	14,739
Total operating expenses	22,411	25,779	50,152	47,044
Loss from operations	(21,299)	(23,384)	(45,629)	(39,943)
Other income (expense):
Change in fair value of warrant liability	195		(142)
Change in fair value of term loan	(1,279)		(2,332)
Interest income	1,440	223	3,133	542
Interest expense	(27)	(1,440)	(56)	(2,814)
Other (expense) income	42	3	37	(5)
Total other income (expense), net	371	(1,214)	640	(2,277)
Net loss	$ (20,928)	$ (24,598)	$ (44,989)	$ (42,220)
Net loss per common share, basic	$ (0.09)	$ (0.38)	$ (0.19)	$ (0.66)
Net loss per common share, diluted	$ (0.09)	$ (0.38)	$ (0.19)	$ (0.66)
Weighted average common shares outstanding, basic	232,821,553	64,244,531	232,035,448	63,755,435
Weighted average common shares outstanding, diluted	232,821,553	64,244,531	232,035,448	63,755,435