Shareholders' Equity (Details) - EUR (€) € / shares in Units, € in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Shareholders' Equity
Share capital	€ 386	€ 268	€ 223
Number of fully authorized, subscribed and paid up shares	38,630,261
Nominal value per share	€ 0.01

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2020-01-01

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant