Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses
Research and development	$ 27,544	$ 42,526	$ 54,412	$ 82,936
General and administrative	6,733	4,731	13,898	8,477
Total operating expenses	34,277	47,257	68,310	91,413
Operating loss	(34,277)	(47,257)	(68,310)	(91,413)
Other income	2,713		5,829
Income tax provision	0	(2,907)	0	(5,218)
Net loss	(31,564)	(50,164)	(62,481)	(96,631)
Other comprehensive gain (loss):
Unrealized gain (loss) on marketable securities	20		(54)
Other comprehensive gain (loss)	20		(54)
Comprehensive loss	$ (31,544)	$ (50,164)	$ (62,535)	$ (96,631)
Net loss per ordinary share - basic	$ (1.86)	$ (3.01)	$ (3.71)	$ (5.79)
Net loss per ordinary share - diluted	$ (1.86)	$ (3.01)	$ (3.71)	$ (5.79)
Weighted average ordinary shares outstanding - basic	16,924,842	16,689,740	16,859,250	16,689,740
Weighted average ordinary shares outstanding - diluted	16,924,842	16,689,740	16,859,250	16,689,740