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Long-term Borrowings - Summary of Detailed Information About Loans Outstanding (Detail) - EUR (€) € in Thousands | Dec. 31, 2022 | Mar. 31, 2022 | Jan. 31, 2022 | Dec. 31, 2021
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Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | € 17,289 |  |  | € 17,439
Less current installments | (5,806) |  |  | (3,862)
Long-term borrowings | 11,483 |  |  | 13,577
Three-month Euribor (360) plus a 2.2% spread long-term debt with final payment due August 2022 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings |  |  |  | 139
Six-months Euribor (360) plus a 2.75% spread long-term debt with final payment due December 2022 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings |  |  |  | 92
Three-month Euribor (360) plus a 1.9% spread long-term debt with final payment due June 2023 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 0 |  |  | 621
Six-month Euribor (360) plus a 2.5% spread long-term debt with final payment due August 2023 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 2,344 |  |  | 2,946
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 |  |  | 216
Six-month Euribor (360) plus a 2.75% spread long-term debt with final payment due March 2025 |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 3,215 |  |  | 4,646
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 | 3,451 |  |  | 4,518
No interest rate long-term debt with final payment due September 2027 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 345 |  |  | 395
0.21% fixed long-term debt with final payment due December 2030 [member] |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |
Total long-term borrowings | 2,916 |  |  | 2,963
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 | 864 |  |  | € 903
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 | 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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