Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenue - License Fee:	$ 18,000	$ 0
Revenue, Product and Service [Extensible List]	us-gaap:LicenseMember	us-gaap:LicenseMember
Operating expenses:
Research and development	$ 41,564	$ 25,338
General and administrative	15,252	5,338
Total operating expenses	56,816	30,676
Loss from operations	(38,816)	(30,676)
Interest and other income (expenses):
(Loss) gain from foreign exchange	(18)	77
Interest income, net	412	455
Interest and other income, net	394	532
Net loss	$ (38,422)	$ (30,144)
Net loss per share, basic and diluted	$ (1.02)	$ (2.47)
Weighted-average number of shares used to compute net loss per share, basic and diluted	37,558,464	12,227,823
Net income (loss)	$ (38,422)	$ (30,144)
Unrealized gain on available-for-sale securities	(235)	87
Comprehensive loss	$ (38,657)	$ (30,057)