Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue	$ 4,706
Operating expenses:
Research and development	12,514	$ 38,182
General and administrative	8,751	11,469
Total operating expenses	21,265	49,651
Loss from operations	(16,559)	(49,651)
Other income (expense):
Interest income	319	14
Interest expense	(1,374)	(672)
Other expense	(8)	(8)
Total other expense, net	(1,063)	(666)
Net loss	$ (17,622)	$ (50,317)
Net loss per common share, basic	$ (0.28)	$ (1.32)
Net loss per common share, diluted	$ (0.28)	$ (1.32)
Weighted average common shares outstanding, basic	63,260,905	38,174,717
Weighted average common shares outstanding, diluted	63,260,905	38,174,717