Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Collaboration revenue	$ 525		$ 993
Operating expenses:
Research and development	10,793	$ 7,505	19,298	$ 12,275
General and administrative	4,132	3,560	8,020	6,621
Total operating expenses	14,925	11,065	27,318	18,896
Loss from operations	(14,400)	(11,065)	(26,325)	(18,896)
Other income:
Interest income	34	26	48	55
Total other income	34	26	48	55
Net loss	(14,366)	(11,039)	(26,277)	(18,841)
Comprehensive loss	$ (14,366)	$ (11,039)	$ (26,277)	$ (18,841)
Net loss per share attributable to common stockholders- basic	$ (0.42)	$ (0.85)	$ (1.12)	$ (1.45)
Net loss per share attributable to common stockholders- diluted	$ (0.42)	$ (0.85)	$ (1.12)	$ (1.45)
Weighted-average common shares outstanding-basic	33,946,428	12,991,837	23,535,442	12,968,820
Weighted-average common shares outstanding-diluted	33,946,428	12,991,837	23,535,442	12,968,820