Condensed Consolidated Statements of Cash Flows (unaudited) $ in Thousands, € in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)
Statement of Cash Flows [Abstract]
Net loss for the period	$ (102,118)	$ (90,903)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, amortization and accrued contingencies	2,504	(1,563)
Expenses related to share-based payments	3,463	5,073
Inventory write-downs	13,931	1,388
Other elements	1,014	669
Changes in operating assets and liabilities:
Decrease (increase) in inventories and work in progress	(13,931)	(1,388)
Decrease (increase) in other current assets	(4,951)	(4,153)
(Decrease) increase in trade payables	14,283	(1,090)
(Decrease) increase in other current and non-current liabilities	(659)	(1,225)
Change in operating lease liabilities and right of use assets	457	970
Net cash flow used in operating activities	(86,008)	(92,222)
Cash flows used in investing activities :
Change in property, plant, and equipment	(159)	(2,463)
Change in non-current financial assets	(496)	913
Net cash flows used in investing activities	(654)	(1,550)
Cash flows provided by financing activities :
Treasury shares	186	(88)
Capital increases, net of transaction costs	116,936	0
Net cash flows provided by financing activities	117,122	(88)
Effect of exchange rate changes on cash and cash equivalents	6,921	(1,065)
Net (decrease) / increase in cash and cash equivalents	37,381	(94,925)
Net Cash and cash equivalents at the beginning of the period	32,456	141,367
Net cash and cash equivalents at the end of the period	$ 69,837	$ 46,441