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Long-term Borrowings - Summary of Detailed Information About Loans Outstanding (Detail) - EUR (€) € in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Jan. 31, 2022
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Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | € 17,353 | € 17,289 |  |
Less current installments | (5,200) | (5,806) |  |
Long-term borrowings | 12,153 | 11,483 |  |
Six-month Euribor (360) plus a 2.5% spread long-term debt with final payment due July 2025 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 3,563 | 2,344 |  |
11.76% Fixed long-term debt with final payment due October 2023 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings |  | 116 |  |
Six-month Euribor (360) plus a 2.75% spread long-term debt with final payment due March 2025 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings |  | 3,215 |  |
2.3% fixed long-term debt with final payment due January 2026 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 2,358 | 3,451 |  |
1.5% fixed long-term debt with final payment due September 2027 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 298 | 345 |  |
0.21% fixed long-term debt with final payment due December 2034 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 6,799 | 2,916 |  |
80% of six-months Euribor (360) plus a 0.95% spread long-term debt with final payment due January 2035 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 1,135 | 864 |  |
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] |  |  |  |
Total long-term borrowings | € 3,200 | 4,000 |  | € 4,000
0.055 Fixed Long-Term Debt With Final Payment Due December 2025 |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings |  | € 38 | € 38 |

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