v3.26.1
Cash flow information (Details) - EUR (€)
€ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash Flow Information [Abstract]    
PROFIT/(LOSS) FOR THE PERIOD € (63,276) € (20,818)
Adjustments to reconcile profit/(loss) for the period to cash generated from/(used in) operations:    
Depreciation and amortization 10,058 10,811
Write-off / impairment fixed assets/intangibles (314) 0
Share-based compensation expense 3,356 4,500
Income tax expense/(income) 258 1,251
(Profit)/loss from disposal of property, plant, equipment and intangible assets 14 230
(Gain)/loss from MMF investments (873) (38)
Provision for employer contribution costs on share-based compensation plans (891) 113
Other non-cash (income)/expense 3,679 (9,645)
Interest income (187) (1,028)
Interest expense 10,291 11,585
Adjustments to reconcile profit/(loss) for the period to cash generated from/(used in) operations 25,391 17,780
CHANGES IN NON-CURRENT OPERATING ASSETS AND LIABILITIES (EXCLUDING THE EFFECTS OF ACQUISITION AND CONSOLIDATION):    
Other non-current assets 44 (591)
Long term refund liabilities 0 96
Other non-current liabilities and provisions 2,006 951
Changes in non-current operating assets and liabilities 2,050 456
CHANGES IN WORKING CAPITAL (EXCLUDING THE EFFECTS OF ACQUISITION AND EXCHANGE RATE DIFFERENCES ON CONSOLIDATION):    
Inventory 1,951 (10,491)
Trade and other receivables 11,316 13,978
Contract liabilities 60 (2,500)
Refund liabilities 268 155
Trade and other payables and provisions 8,507 (8,930)
Changes in working capital 22,102 (7,788)
Cash used in operations € (13,734) € (10,369)