CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - 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	$ 21,049	$ 15,957	$ 40,617	$ 29,496
General and administrative	6,563	5,677	13,093	11,618
Total operating expenses	27,612	21,634	53,710	41,114
Loss from operations	(27,612)	(21,634)	(53,710)	(41,114)
Other income (expense), net:
Interest income	686	104	798	214
Other income (expense), net	3	(5)	2	(8)
Total other income (expense), net	689	99	800	206
Net loss	(26,923)	(21,535)	(52,910)	(40,908)
Comprehensive loss:
Net loss	(26,923)	(21,535)	(52,910)	(40,908)
Other comprehensive gain (loss)	(325)	(28)	(781)	3
Comprehensive loss	$ (27,248)	$ (21,563)	$ (53,691)	$ (40,905)
Net loss per share, basic	$ (0.61)	$ (0.66)	$ (1.38)	$ (1.25)
Net loss per share, diluted	$ (0.61)	$ (0.66)	$ (1.38)	$ (1.25)
Weighted average shares used to compute net loss per share, basic	43,841,392	32,827,365	38,446,956	32,783,730
Weighted average shares used to compute net loss per share, diluted	43,841,392	32,827,365	38,446,956	32,783,730