Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating expenses:
Research and development	$ 76,563	$ 78,420	$ 58,739
General and administrative	27,752	28,948	27,135
Restructuring expense	(63)	7,178
Total operating expenses	104,252	114,546	85,874
Loss from operations	(104,252)	(106,452)	(72,254)
Other income, net:
Interest income, net	7,142	2,616	64
Gain on acquisition		18,236
Other income (expense)	1,095	(381)	2
Total other income, net	8,237	20,471	66
Net loss	$ (96,015)	$ (85,981)	$ (72,188)
Net loss per share, basic	$ (4.83)	$ (10.1)	$ (10.14)
Net loss per share, diluted	$ (4.83)	$ (10.1)	$ (10.14)
Weighted average common stock outstanding basic	19,884,007	8,512,089	7,118,024
Weighted average common stock outstanding, diluted	19,884,007	8,512,089	7,118,024
Related Party [Member]
Collaboration revenue - related party		$ 8,094	$ 13,620