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Summary of Significant Accounting Policies - Summary of Significant Expense (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Operating expenses	$ 49,499			$ 18,264			$ 108,479	$ 59,597
Other income, net	(1,787)			(2,765)			(5,304)	(7,817)
Net loss	(47,712)	$ (26,182)	$ (29,281)	(15,499)	$ (21,627)	$ (14,654)	(103,175)	(51,780)
Technical operations [Member]
Segment Reporting Information [Line Items]
Operating expenses	33,850			6,552			62,800	26,022
Development [Member]
Segment Reporting Information [Line Items]
Operating expenses	9,653			5,999			27,757	16,620
Nomlabofusp Support [Member]
Segment Reporting Information [Line Items]
Operating expenses	1,428			1,368			4,294	3,898
General and Administrative [Member]
Segment Reporting Information [Line Items]
Operating expenses	3,780			3,739			11,569	12,018
Commercial [Member]
Segment Reporting Information [Line Items]
Operating expenses	$ 788			$ 606			$ 2,059	$ 1,039

X

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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