Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Research and development	$ 29,106	$ 24,572	$ 56,104	$ 45,268
General and administrative	8,303	6,801	16,731	12,307
Total operating expenses	37,409	31,373	72,835	57,575
Loss from operations	(37,409)	(31,373)	(72,835)	(57,575)
Interest and other income, net	272	79	325	221
Net loss	(37,137)	(31,294)	(72,510)	(57,354)
Net loss attributable to common stockholders	$ (37,137)	$ (31,294)	$ (72,510)	$ (57,354)
Net loss per share attributable to common stockholders, basic	$ (0.96)	$ (0.82)	$ (1.88)	$ (1.50)
Net loss per share attributable to common stockholders, diluted	$ (0.96)	$ (0.82)	$ (1.88)	$ (1.50)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	38,584,400	38,277,950	38,573,950	38,219,143
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	38,584,400	38,277,950	38,573,950	38,219,143