Statements of Operations and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating expenses:
Research and development	$ 63,412,000	$ 36,220,000
General and administrative	23,017,000	15,288,000
Total operating expenses	86,429,000	51,508,000
Loss from operations	(86,429,000)	(51,508,000)
Other income (expense), net:
Change in fair value of preferred stock purchase right liability		(40,163,000)
Interest income	370,000	313,000
Other expense, net	(16,000)	(3,000)
Total other income (expense), net	354,000	(39,853,000)
Net loss	(86,075,000)	(91,361,000)
Comprehensive loss:
Net loss	(86,075,000)	(91,361,000)
Other comprehensive (loss) gain:
Unrealized (loss) gain on securities	(153,000)	5,000
Comprehensive loss	$ (86,228,000)	$ (91,356,000)
Net loss per share, basic and diluted	$ (2.62)	$ (5.44)
Weighted-average number of common shares used in net loss per share, basic and diluted	32,856,883	16,806,262