Unaudited Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Collaboration revenue	$ 1,589	$ 380
Operating expenses:
Research and development (includes related party amounts of $208 and $486, respectively)	10,184	1,925
General and administrative (includes related party amounts of $42 and $104, respectively)	4,947	739
Total operating expenses	15,131	2,664
Loss from operations	(13,542)	(2,284)
Other income:
Interest income	132	0
Total other income	132	0
Net loss	(13,410)	(2,284)
Other comprehensive loss:
Unrealized loss on available-for-sale securities, net	(1,567)	0
Comprehensive loss	$ (14,977)	$ (2,284)
Net loss per common share, basic and diluted	$ (0.32)	$ (2.06)
Weighted-average shares of common stock outstanding, basic and diluted	41,315,482	1,111,178