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Trade and Other Receivables - Additional Information (Details) $ in Thousands | Dec. 31, 2021 EUR (€) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 EUR (€) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 EUR (€)
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Trade and other receivables [abstract] |  |  |  |  |
Research tax credit | € 5,282,000 | $ 9,585 | € 7,911,000 | $ 8,785 | € 9,585,000
VAT receivables | 1,038,000 |  | 2,766,000 |  | 1,814,000
Credit notes from suppliers | € 752,000 |  | € 406,000 |  | € 408,000

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- Definition Research tax credit. + References No definition available. + Details
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- Definition The amount of receivables related to a value added tax. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_b&doctype=Standard -URIDate 2021-03-24 + Details
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