Note 9 - Other disclosures - Loans and Advance Payments from Key Management Personnel and Other Related Parties (Details) - EUR (€) € in Thousands	Jun. 30, 2022	Dec. 31, 2021
Statement Line Items [Line Items]
Loans from key management personnel and other related parties	€ 2	€ 2
Advance payments received from key management personnel*	47	47
Total	49	49
Key management personnel of entity or parent [member]
Statement Line Items [Line Items]
Loans from key management personnel and other related parties	€ 2	€ 2

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 20
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 18
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard
-URIDate 2021-03-24

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