Intangible Assets and Goodwill - Summary of the Goodwill Breakdown by CGU (Detail) - EUR (€) € in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of information for cash-generating units [line items] | ||
| Carrying amount of goodwill | € 10,887 | € 10,796 |
| ARES [Member] | ||
| Disclosure of information for cash-generating units [line items] | ||
| Carrying amount of goodwill | 4,424 | 4,424 |
| Coil [Member] | ||
| Disclosure of information for cash-generating units [line items] | ||
| Carrying amount of goodwill | 3,006 | 2,915 |
| Electromaps Or Software [Member] | ||
| Disclosure of information for cash-generating units [line items] | ||
| Carrying amount of goodwill | € 3,457 | € 3,457 |