The cash outflow for expenditure related to development projects.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 16
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_16&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PaymentsForDevelopmentProjectExpenditure
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of land used for project.

+ References

No definition available.

+ Details

Name:	newp_AreaOfLandUsedForProject
Namespace Prefix:	newp_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

This stands for distance of area of project above sea.

+ References

No definition available.

+ Details

Name:	newp_DistanceOfAreaOfProjectAboveSeaLevel
Namespace Prefix:	newp_
Data Type:	dtr-types:lengthItemType
Balance Type:	na
Period Type:	duration

- Definition

Distance of project area from Bolivia's border with Chile.

+ References

No definition available.

+ Details

Name:	newp_DistanceOfProjectAreaFromBoliviaBorderWithChile
Namespace Prefix:	newp_
Data Type:	dtr-types:lengthItemType
Balance Type:	na
Period Type:	duration

- Definition

Distance of project area from the city of La Paz, Bolivia.

+ References

No definition available.

+ Details

Name:	newp_DistanceOfProjectAreaFromLaPazCityBolivia
Namespace Prefix:	newp_
Data Type:	dtr-types:lengthItemType
Balance Type:	na
Period Type:	duration

- Definition

Distance of project area from the city of Oruro.

+ References

No definition available.

+ Details

Name:	newp_DistanceOfProjectAreaFromOruroCity
Namespace Prefix:	newp_
Data Type:	dtr-types:lengthItemType
Balance Type:	na
Period Type:	duration

- Definition

Distance of project area from Potos City, the department capital.

+ References

No definition available.

+ Details

Name:	newp_DistanceOfProjectAreaFromPotosiCity
Namespace Prefix:	newp_
Data Type:	dtr-types:lengthItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

No definition available.

+ Details

Name:	newp_IfrsEquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	newp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

n/a

+ References

No definition available.

+ Details

Name:	newp_MineralPropertyInterestLineItems
Namespace Prefix:	newp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of future expenditures on exploration, mining, development, and production activities for the project required to be cover under the agreement.

+ References

No definition available.

+ Details

Name:	newp_PercentageOfCoverageOfFutureExpendituresOnExplorationMiningDevelopmentAndProductionActivitiesOfProject
Namespace Prefix:	newp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	newp_MineralExplorationProjectAcquisitionNameAxis=newp_SilverSandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	newp_MineralExplorationProjectAcquisitionNameAxis=newp_CarangasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=newp_BolivianNationalsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=newp_PrivateBolivianCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	newp_MineralExplorationProjectAcquisitionNameAxis=newp_SilverstrikeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

MINERAL PROPERTY INTERESTS (Details)		1 Months Ended		12 Months Ended
MINERAL PROPERTY INTERESTS (Details)	Jul. 20, 2017 km² km m	Apr. 30, 2021 km² km	Dec. 31, 2019 km² km	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)
Silver Sand Project
MINERAL PROPERTY INTERESTS
Distance of project area from Potos City, the department capital (in km)	33
Project covers area (in km2 ) \| km²	5.42
Distance of area of project above sea level (in metres) \| m	4,072
Capitalized expenditures (in Dollars) \| $				$ 1,552,036	$ 3,207,085
Carangas Project
MINERAL PROPERTY INTERESTS
Project covers area (in km2 ) \| km²		40.75
Distance of project area from the city of Oruro (in kms)		180
Distance of project area from Bolivia's border with Chile (in kms)		50
Percentage of future expenditures on exploration, mining, development, and production activities		100.00%
Capitalized expenditures (in Dollars) \| $				1,473,791	1,794,259
Acquire interest rate		98.00%
Carangas Project \| Bolivian nationals \| Private Bolivian company
MINERAL PROPERTY INTERESTS
Ownership percentage		100.00%
Silverstrike Project
MINERAL PROPERTY INTERESTS
Project covers area (in km2 ) \| km²			13
Distance of project area from the of the city of La Paz, Bolivia (in kms)			140
Capitalized expenditures (in Dollars) \| $				$ 62,032	$ 101,652
Acquire interest rate			98.00%