XML 233 R218.htm IDEA: XBRL DOCUMENT
v3.22.1

Related Parties and Information about Significant Non-Recurring Events and A tipycal/Unusual Transactions - Schedule of Transactions With Directors of the Group (Detail) - EUR (€) € in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Disclosure Of Transactions Between Related Parties [Line Items] |  |  |
Amounts due |  |  | € 124
Director |  |  |
Disclosure Of Transactions Between Related Parties [Line Items] |  |  |
Cost | € 86 | € 392 | 165
Director | Legal Services |  |  |
Disclosure Of Transactions Between Related Parties [Line Items] |  |  |
Cost | € 86 | € 392 | 32
Director | Consultancy Fees For Business Strategy |  |  |
Disclosure Of Transactions Between Related Parties [Line Items] |  |  |
Cost |  |  | € 133

X
- Definition The amounts payable resulting from related party transactions. [Refer: Related parties [member]] + References 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 + Details
Name: | ifrs-full_AmountsPayableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amounts related party transactions cost. + References No definition available. + Details
Name: | ntz_AmountsRelatedPartyTransactionsCost
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=srt_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ProductsAndServicesAxis=ntz_LegalServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ProductsAndServicesAxis=ntz_ConsultancyFeesForBusinessStrategyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |