CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 1,527	$ 3,813
Operating expenses:
Research and development	67,082	56,985
General and administrative	20,240	16,037
Total operating expenses	87,322	73,022
Loss from operations	(85,795)	(69,209)
Other income, net	1,957	5
Net loss	(83,838)	(69,204)
Other comprehensive income (loss):
Foreign currency translation gain	627	258
Unrealized loss on marketable securities	(447)	(287)
Total comprehensive loss	$ (83,658)	$ (69,233)
Net loss per share, basic	$ (2.58)	$ (2.53)
Net loss per share, diluted	$ (2.58)	$ (2.53)
Weighted average number of shares used in computing net loss per share, basic	32,540,406	27,390,326
Weighted average number of shares used in computing net loss per share, diluted	32,540,406	27,390,326