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	$ 13,187	$ 7,570	$ 27,383	$ 14,473
General and administrative	5,228	3,487	9,446	5,589
Total operating expenses	18,415	11,057	36,829	20,062
Loss from operations	(18,415)	(11,057)	(36,829)	(20,062)
Interest and other income (expense), net	319	(295)	474	(589)
Net loss	(18,096)	(11,352)	(36,355)	(20,651)
Unrealized gain (loss) on marketable securities	(217)	25	(1,065)	47
Total comprehensive loss	(18,313)	(11,327)	(37,420)	(20,604)
Net loss	$ (18,096)	$ (11,352)	$ (36,355)	$ (20,651)
Net loss per common share, basic	$ (0.44)	$ (0.41)	$ (0.89)	$ (1.19)
Net loss per common share, diluted	$ (0.44)	$ (0.41)	$ (0.89)	$ (1.19)
Weighted average number of common shares outstanding used in computation of net loss per common share, basic	41,088,085	27,373,165	41,034,447	17,322,734
Weighted average number of common shares outstanding used in computation of net loss per common share, diluted	41,088,085	27,373,165	41,034,447	17,322,734