Cost of revenue (Details) - EUR (€)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cost of revenue (Details) [Line Items]
Cost of revenue	72.00%	26.00%	34.00%
Percentage of cost revenue	10.00%
Trade payables (in Euro)	€ 37,853	€ 6,112	€ 7,560
Revenue [Member]
Cost of revenue (Details) [Line Items]
Percentage of revenue	88.00%	56.00%	88.00%

The amount of payment due to suppliers for goods and services used in the entity's business.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 78
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78&doctype=Standard
-URIDate 2022-03-24

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