Condensed Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 248	$ 4,989	$ 1,580	$ 6,238
Operating expenses:
Research and development	(33,002)	(26,335)	(62,275)	(47,216)
General and administrative	(14,574)	(8,296)	(28,728)	(16,875)
Total operating expenses	(47,576)	(34,631)	(91,003)	(64,091)
Loss from operations	(47,328)	(29,642)	(89,423)	(57,853)
Interest and other income (expense), net	6,455	269	11,313	380
Interest expense	(319)	(173)	(630)	(173)
Net loss	(41,192)	(29,546)	(78,740)	(57,646)
Net loss attributable to common stockholders, basic	(41,192)	(29,546)	(78,740)	(57,646)
Net loss attributable to common stockholders, diluted	$ (41,192)	$ (29,546)	$ (78,740)	$ (57,646)
Net loss per share, attributable to common stockholders - basic and diluted
Net loss per share, attributable to common stockholders- basic(USD per share)	$ (0.70)	$ (0.82)	$ (1.37)	$ (1.59)
Net loss per share, attributable to common stockholders- diluted (USD per share)	$ (0.70)	$ (0.82)	$ (1.37)	$ (1.59)
Shares used in computing net loss per share attributable to common stockholders - basic and diluted
Shares used in computing net loss per share attributable to common stockholders - basic (in shares)	59,172,869	36,173,135	57,623,842	36,144,944
Shares used in computing net loss per share attributable to common stockholders - diluted (in shares)	59,172,869	36,173,135	57,623,842	36,144,944
Comprehensive loss:
Net loss	$ (41,192)	$ (29,546)	$ (78,740)	$ (57,646)
Net unrealized gain on short-term investments	(910)	(309)	(283)	(1,058)
Total other comprehensive loss	(910)	(309)	(283)	(1,058)
Comprehensive loss	$ (42,102)	$ (29,855)	$ (79,023)	$ (58,704)