Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
Research and development	$ 14,510	$ 15,284	$ 42,322	$ 26,101
General and administrative	3,901	3,154	11,257	7,334
Total operating expenses	18,411	18,438	53,579	33,435
Loss from operations	(18,411)	(18,438)	(53,579)	(33,435)
Other income:
Interest income	370	11	533	25
Other income		1		1
Total other income, net	370	12	533	26
Net loss	$ (18,041)	$ (18,426)	$ (53,046)	$ (33,409)
Net loss per share, basic	$ (0.68)	$ (0.70)	$ (2.00)	$ (1.96)
Net loss per share, diluted	$ (0.68)	$ (0.70)	$ (2.00)	$ (1.96)
Weighted-average shares used to compute net loss per share, basic	26,564,615	26,466,746	26,535,474	17,025,032
Weighted-average shares used to compute net loss per share, diluted	26,564,615	26,466,746	26,535,474	17,025,032
Other comprehensive loss:
Unrealized gain (loss) on short-term investments	$ 71	$ 5	$ (213)	$ 5
Comprehensive loss	$ (17,970)	$ (18,421)	$ (53,259)	$ (33,404)