v3.26.3
Financial Risk Management - Summary of Credit Risk (Detail) - EUR (€)
€ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Disclosure of credit risk exposure [line items]    
Non-current financial assets € 1,483 [1] € 1,567
Current financial assets 33,938 33,568
Current investments 4,951 4,969
Other current financial assets 5,116 [1] 5,133
Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Non-current financial assets 1,483 1,567
Current financial assets 33,938 33,568
Customer sales and services | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Current financial assets 28,704 28,416
Other receivables | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Current financial assets 118 19
Loans to employees | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Non-current financial assets 180 180
Trade and other financial receivables | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Non-current financial assets 180 180
Current financial assets 28,822 28,435
Guarantee Deposit [Member] | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Non-current financial assets 1,303 1,387
Current investments 165 164
Non-current financial assets | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Non-current financial assets 1,303 1,387
Financial Investments [Member] | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Current investments 4,951 4,969
Other Current Financial Assets [Member] | Credit risk [member]    
Disclosure of credit risk exposure [line items]    
Other current financial assets € 5,116 € 5,133
[1] Unaudited