Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Collaboration and license revenue	$ 1,219	$ 2,000
Total revenue	1,219	2,000
Operating expenses:
Research and development (includes $0 and $148 for the three months ended March 31, 2022 and 2021, respectively, attributable to related parties)	19,381	12,769
General and administrative	8,230	5,543
Total operating expenses	27,611	18,312
Loss from operations	(26,392)	(16,312)
Other income (expense):
Interest income	100	7
Other expense, net	(46)	(101)
Total other income (expense), net	54	(94)
Net loss	$ (26,338)	$ (16,406)
Net loss per share, basic and diluted	$ (0.82)	$ (0.61)
Weighted-average shares outstanding used in computing net loss per share, basic and diluted	32,232,378	26,690,167