Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue:
License and collaboration revenue	$ 7,338	$ 20,948
Operating expenses:
Research and development	68,889	52,975
General and administrative	18,963	16,180
Total operating expenses	95,232	78,318
Loss from operations	(87,894)	(57,370)
Interest and other income (expense), net	(39)	1,129
Net loss	$ (87,933)	$ (56,241)
Net loss per share attributable to common stockholders, basic and diluted	$ (2.87)	$ (2.93)
Shares used to compute net loss per share attributable to common stockholders, basic and diluted	30,640,977	19,179,299
License
Revenue:
License and collaboration revenue		$ 15,100
Collaboration
Revenue:
License and collaboration revenue	$ 7,338	5,848
Cost of license
Operating expenses:
Cost of license and collaboration		3,102
Cost of collaboration
Operating expenses:
Cost of license and collaboration	$ 7,380	$ 6,061