Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Collaboration revenue	$ 3,129	$ 1,229
Operating expenses:
Research and development	62,427	19,147
General and administrative	28,505	11,089
Total operating expense	90,932	30,236
Loss from operations	(87,803)	(29,007)
Other income (expense), net:
Interest income	108	13
Interest expense	(861)	(2,130)
Loss on early extinguishment of debt	(554)
Change in fair value of preferred stock purchase right liability	(980)
Change in fair value of preferred stock warrant liability	(105)	(15)
Total other income (expense), net	(2,392)	(2,132)
Loss from continuing operations	(90,195)	(31,139)
Loss from discontinued operations		(5,999)
Net loss	$ (90,195)	$ (37,138)
Net loss per share, basic and diluted:
Continuing operations	$ (2.88)	$ (20.78)
Discontinued operations		(4.00)
Net loss per share, basic and diluted	$ (2.88)	$ (24.78)
Weighted average shares outstanding, basic and diluted	31,334,154	1,498,973