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Long-term Borrowings - Additional Information (Detail) - EUR (€)
€ in Thousands
 1 Months Ended 12 Months Ended
Apr. 09, 2024
Mar. 31, 2024
Mar. 31, 2024
Jan. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Apr. 01, 2023
Jan. 31, 2022
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2015
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt nominal amount   € 2,500 € 2,500 € 3,000                  
Long-term debt maturity     March 31, 2027 December 31, 2028                  
Long-term debt interest rate basis       Euribor 3M                  
Long-term debt interest rate spread 2.50% 2.50% 2.50% 2.95%                  
Long-term debt   € 2,500 € 2,500   € 18,720 € 17,353              
Long-term debt interest rate   2.50% 2.50%   6.308%                
Interest expense related to long-term borrowings         € 768 € 599 € 423            
Debt guaranteeing loan percentage       90.00%                  
Interest-bearing loan effective date   Mar. 31, 2024                      
Interest bearing loan maturity date Mar. 31, 2027 Mar. 31, 2027                      
Bottom of range [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt interest rate         3.00% 3.00%              
Long-term borrowings [member] | Bottom of range [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt interest rate         3.60%                
Long-term borrowings [member] | Top of range [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt interest rate         7.80%                
Italian Financial Institution [Member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt         € 1,170                
Six-month Euribor (360) plus a 2.5% spread long-term debt with final payment due August 2021 [member] | Bottom of range [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Cash receipt turnover percentage           60.00%              
Earnings before interest, taxes, depreciation and amortization (EBITDA) percentage           4.50%              
Debt Service Cover Ratio           1.35%              
Six-month Euribor (360) plus a 2.5% spread long-term debt with final payment due August 2021 [member] | Top of range [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Net debt to EBITDA           3.00%              
Six-month Euribor (360) plus a 2.5% spread long-term debt with final payment due August 2021 [member] | Romanian Subsidiary [Member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt nominal amount                         € 10,000
Long-term debt maturity           August 2023              
Long-term debt interest rate basis           6-month Euribor (360)              
Long-term debt interest rate spread           2.50%              
Mortgage loan           € 16,628              
Six months euribor (360) plus 2.75% percentage spread long term debt with repayment until july 2025 [Member] | Romanian Subsidiary [Member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt maturity           July 2025              
2.3% fixed long-term debt with final payment due January 2026 [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt nominal amount         € 7,000                
Long-term debt maturity         January 2026 January 2026              
Long-term debt         € 1,240 € 2,358              
Long-term debt interest rate         2.30% 2.30%              
2.3% fixed long-term debt with final payment due January 2026 [member] | Matera [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Mortgage loan         € 14,000                
0.42% Fixed long-term debt with final payment due December 2034 [Member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt nominal amount                       € 4,181  
Long-term debt maturity               December 2034          
Mortgage loan         € 13,936                
Long-term debt           € 7,734              
Long-term debt interest rate               0.21%          
80% of six-months Euribor (360) plus a 0.95% spread long-term debt with final payment due January 2035 italian subsidiaries [member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt nominal amount                       € 435  
Long-term debt maturity         January 2035                
Long-term debt interest rate basis         Six-month Euribor (360)                
Long-term debt interest rate spread         0.95%                
Mortgage loan         € 3,000                
Long-term debt         1,035                
Long term debt disbursement amount         € 581                
Long-term debt interest rate         80.00%                
1.5% percentage fixed long-term debt with final payment due September 2027 | Swiss Subsidiary [Member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt nominal amount                     € 378    
Long-term debt         € 217                
Long-term debt interest rate                 1.50%        
Six-month Euribor (360) plus a 2.75% spread long-term debt with final payment due March 2025 [member] | Romanian Subsidiary [Member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt nominal amount         € 5,000                
Long-term debt maturity         March 2025                
Long-term debt         € 1,313                
Three-month Euribor (360) plus 2.00% spread long-term debt with final payment due December 2027 [Member]                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt maturity         December 2027 December 2027              
Long-term debt interest rate basis         Three-month Euribor (360) Three-month Euribor (360)              
Long-term debt interest rate spread         2.00% 2.00%              
Long-term debt         € 2,400 € 3,200       € 4,000      
Three-month Euribor (360) plus a 2.95% spread long-term debt with final payment due December 2028 | Events After Reporting Period                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt         2,526                
2.5% Fixed rate long-term debt to majority shareholder with final payment due March 2027                          
Disclosure Of Detailed Information About Borrowings [Line Items]                          
Long-term debt         € 2,255