XML 86 R71.htm IDEA: XBRL DOCUMENT
v3.22.1

Deferred income for government grants (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Accruals And Deferred Income 1 [Abstract] |
Summary of Changes in the Carrying Amount of Deferred income for government grants | Changes in the carrying amount of deferred income for government grants for the years ended December 31, 2021 and 2020 are analysed as follows:
|  | 31/12/21 |  |  | 31/12/20 |
Balance at beginning of year |  |  | 12,458 |  |  |  | 13,869 |
Additions |  |  | 1,725 |  |  |  | — |
Reclassification to liabilities directly related to assets held for sale |  |  | — |  |  |  | (11 | )
Credit to profit or loss |  |  | (1,429 | ) |  |  | (1,400 | )
Balance at end of year |  |  | 12,754 |  |  |  | 12,458 |

X
- References No definition available. + Details
Name: | ntz_AccrualsAndDeferredIncome1Abstract
Namespace Prefix: | ntz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure in detail of deferred income. + References No definition available. + Details
Name: | ntz_DisclosureInDetailOfDeferredIncomeExplanatory
Namespace Prefix: | ntz_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration