Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Revenue	$ 2,978	$ 1,401
Operating expenses:
Research and development expenses	44,751	42,430
Selling, general and administrative expenses	27,152	14,453
Total operating expenses	71,903	56,883
Operating loss	(68,925)	(55,482)
Other income (expense):
Interest income	7,351	3,083
Fair value change - earnout	3,992	(8,702)
Fair value change - warrants	13,762	(30,248)
Foreign exchange gains/(losses)	4,293	(2,418)
Loss before tax	(39,527)	(93,767)
Loss for the year	(39,527)	(93,767)
Other comprehensive income (loss)
Unrealized gain/(loss) on available-for-sale securities, net of tax	(33)
Total comprehensive loss for the year, net of tax	$ (39,560)	$ (93,767)
Net loss per ordinary share
Basic	$ (0.34)	$ (1.06)
Diluted	$ (0.34)	$ (1.06)