Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating expenses:
Research and development	$ 70,330	$ 36,199
General and administrative	19,413	13,156
Total operating expenses	89,743	49,355
Loss from operations	(89,743)	(49,355)
Other expenses, net	(526)	(203)
Net loss before income tax	(90,269)	(49,558)
Income tax benefit	147	59
Net loss	(90,122)	(49,499)
Other comprehensive (loss) income:
Unrealized (loss) gain on available-for-sale securities	(71)	8
Foreign currency translation adjustments	17	(18)
Total other comprehensive loss	(54)	(10)
Comprehensive loss	$ (90,176)	$ (49,509)
Net loss per share, basic and diluted	$ (4.48)	$ (3.08)
Weighted-average shares used to compute net loss per share, basic and diluted	20,098,340	16,087,785