21. Leases - Future Contractually Agreed Undiscounted Lease Payments (Details) - EUR (€) € in Thousands	Dec. 31, 2019	Dec. 31, 2018
Leases
Future contractually agreed undiscounted cash flows	€ 829
Operating lease commitment under IAS 17		€ 1,216
Payments within one year
Leases
Future contractually agreed undiscounted cash flows	553
Operating lease commitment under IAS 17		675
Payments between one and five years
Leases
Future contractually agreed undiscounted cash flows	€ 276
Operating lease commitment under IAS 17		€ 541

The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2019-01-01
-Paragraph 58
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_58&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph B11D
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B
-URIDate 2019-03-27

Name:	ifrs-full_GrossLeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant