CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses
Research and development	$ 19,568	$ 13,539
General and administrative	6,530	5,942
Total operating expenses	26,098	19,481
Loss from operations	(26,098)	(19,481)
Other income (expense), net:
Interest income	112	110
Other expense, net	(1)	(2)
Total other income (expense), net	111	108
Net loss	(25,987)	(19,373)
Comprehensive loss:
Net loss	(25,987)	(19,373)
Other comprehensive gain (loss)	(456)	31
Comprehensive loss	$ (26,443)	$ (19,342)
Net loss per share, basic and diluted	$ (0.79)	$ (0.59)
Weighted average shares used to compute net loss per share, basic and diluted	32,992,582	32,739,610