Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Collaboration and license revenue	$ 162	$ 14,580	$ 1,382	$ 16,580
Total revenue	162	14,580	1,382	16,580
Operating expenses:
Research and development (includes $0 and $262 for the three months ended June 30, 2022 and 2021, respectively, and $134 and $410 for the six months ended June 30, 2022 and 2021, respectively, attributable to related parties)	20,422	15,223	39,819	27,992
General and administrative	8,166	6,953	16,381	12,496
Total operating expenses	28,588	22,176	56,200	40,488
Loss from operations	(28,426)	(7,596)	(54,818)	(23,908)
Other income (expense):
Interest income	340	7	440	14
Other expense, net	(0)	(0)	(46)	(101)
Total other income (expense), net	340	7	394	(87)
Net loss	$ (28,086)	$ (7,589)	$ (54,424)	$ (23,995)
Net loss per share, basic	$ (0.87)	$ (0.28)	$ (1.69)	$ (0.90)
Net loss per share, diluted	$ (0.87)	$ (0.28)	$ (1.69)	$ (0.90)
Weighted-average shares outstanding used in computing net loss per share, basic	32,324,392	26,739,149	32,263,015	26,715,014
Weighted-average shares outstanding used in computing net loss per share, diluted	32,324,392	26,739,149	32,263,015	26,715,014