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Provisions - Additional Information (Details) - EUR (€) € in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2019
Disclosure of other provisions [line items] |  |  |
Current provisions | € 1,031 | € 313 | € 2,061
Discontinuance of Study |  |  |
Disclosure of other provisions [line items] |  |  |
Current provisions | 265 | 12 |
Other reversals of provisions | 366 |  |
Return-to-Work Bonuses, Trainings, Business Start-Up Assistance and Other Benefits |  |  |
Disclosure of other provisions [line items] |  |  |
Current provisions | 189 | € 171 |
Other reversals of provisions | € 352 |  |

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- Definition The amount of current provisions, including provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_l&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of reversals of provisions that the entity does not separately disclose in the same statement or note. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 98 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_g&doctype=Standard -URIDate 2021-03-24 + Details
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