Consolidated Statements of Operations and Comprehensive Loss - 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	$ 8,132	$ 6,279	$ 17,410	$ 11,751
General and administrative	4,299	2,949	8,036	4,691
Total operating expenses	12,431	9,228	25,446	16,442
Loss from operations	(12,431)	(9,228)	(25,446)	(16,442)
Other income:
Other income	119	12	98	14
Net loss	(12,312)	(9,216)	(25,348)	(16,428)
Unrealized gain on short-term investments	104	5	134	5
Comprehensive loss	$ (12,208)	$ (9,211)	$ (25,214)	$ (16,423)
Net loss per share attributable to common stockholders, basic	$ (0.50)	$ (0.43)	$ (1.04)	$ (1.40)
Net loss per share attributable to common stockholders, diluted	$ (0.50)	$ (0.43)	$ (1.04)	$ (1.40)
Weighted-average shares used in computing net loss per share, basic	24,463,824	21,364,369	24,461,085	11,770,948
Weighted-average shares used in computing net loss per share, diluted	24,463,824	21,364,369	24,461,085	11,770,948