XML 153 R143.htm IDEA: XBRL DOCUMENT v3.19.1

Deferred Income for Capital Grants - Summary of Changes in the Carrying Amount of Deferred Income for Capital Grants (Detail) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Accruals and deferred income [abstract]
Deferred income beginning balance	€ 13,771	€ 14,760
Additions	292	79
Charges to profit or loss	(1,061)	(1,068)
Deferred income ending balance	€ 13,002	€ 13,771

X

- References

No definition available.

+ Details

Name:	ifrs-full_AccrualsAndDeferredIncomeAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of non-current government grants recognised on the statement of financial position as deferred income. [Refer: Government [member]; Deferred income; Government grants]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Definition

Deferred income additions.

+ References

No definition available.

+ Details

Name:	ntz_DeferredIncomeAdditions
Namespace Prefix:	ntz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Increase decrease in deferred income.

+ References

No definition available.

+ Details

Name:	ntz_IncreaseDecreaseInDeferredIncome
Namespace Prefix:	ntz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration