Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
Research and development	$ 9,371	$ 8,601
General and administrative	5,122	4,430
Total operating expenses	14,493	13,031
Loss from operations	(14,493)	(13,031)
Interest income	49	9
Other income (expense)	6,497	0
Net loss	(7,947)	(13,022)
Unrealized loss on marketable securities	(310)	0
Comprehensive loss	$ (8,257)	$ (13,022)
Net loss per share attributable to common stockholders, basic and diluted	$ (0.23)	$ (0.72)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted	34,863	18,154