v3.26.1
Other revenues and expenses - Schedule of Cost of Revenue, Operating Expenses, and Employee Benefits (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Expense By Nature [Line Items]      
Losses on disposals of digital assets $ 6,102 $ 0 $ 0
Share-based payment expenses 3,011 4,090 7,104
Foreign exchange (gains) losses related to hedges of euro 1,110 (494) 692
Wages and salaries 23,972 31,458 28,863
Social security costs and other payroll taxes 6,895 9,270 9,087
Other benefits 112 171 159
Pension costs (113) 79 (36)
Expense for defined contributions plans 1,199 1,483 1,465
Wages and benefits 33,877 45,068 45,177
Operating expense 126,004 (41,794) 53,978
Digital assets impairment losses (67,375) 0 0
Included in cost of revenue:      
Expense By Nature [Line Items]      
Cost of components 7,519 5,846 5,071
Depreciation and impairment 527 289 395
Amortization of intangible assets 170 164 118
Share-based payment expenses 19 84 131
Assembly services, royalties and other 2,754 1,368 1,702
Wages and benefits 1,224 1,341 2,059
Included in operating expenses (income) (between gross profit and operating result):      
Expense By Nature [Line Items]      
Gain on sale of 4G intangible and tangible assets, net 0 (153,129) 0
Depreciation and impairment 2,197 2,814 4,082
Amortization of intangible assets 2,784 4,145 7,346
Impairment of 5G broadband platform intangible and tangible assets 0 56,633 0
Losses on disposals of digital assets (6,102) 0 0
Share-based payment expenses 2,992 4,006 6,973
Foreign exchange (gains) losses related to hedges of euro 144 (47) (180)
Rent, supplies, external services and other, net of capitalization of research and developments costs 14,768 4,147 (257)
Wages and benefits 29,642 39,637 36,014
Digital assets impairment losses $ 67,375 $ 0 $ 0