XML 84 R49.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Marketable Securities -Summary Of Detailed Information About Disposal Of Marketable Securities (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 CAD ($)
Disclosure Of Marketable Securities [line Items] |
Fair value at December 31, 2022 | $ 5,775
Acquired during the period | 2,000
Fair value adjustment | (900)
Disposals due to deconsolidation of IsoEnergy | (6,875)
Fair Value at December 31, 2023 | 0
92 Energy |
Disclosure Of Marketable Securities [line Items] |
Fair value at December 31, 2022 | 4,253
Acquired during the period | 0
Fair value adjustment | (492)
Disposals due to deconsolidation of IsoEnergy | (3,761)
Fair Value at December 31, 2023 | 0
Consolidated Uranium |
Disclosure Of Marketable Securities [line Items] |
Fair value at December 31, 2022 | 1,458
Acquired during the period | 0
Fair value adjustment | 378
Disposals due to deconsolidation of IsoEnergy | (1,836)
Fair Value at December 31, 2023 | 0
Latitude Uranium Sahres |
Disclosure Of Marketable Securities [line Items] |
Fair value at December 31, 2022 | 64
Acquired during the period | 1,581
Fair value adjustment | (581)
Disposals due to deconsolidation of IsoEnergy | (1,064)
Fair Value at December 31, 2023 | 0
Latitude Uranium Warrants |
Disclosure Of Marketable Securities [line Items] |
Fair value at December 31, 2022 | 0
Acquired during the period | 419
Fair value adjustment | (205)
Disposals due to deconsolidation of IsoEnergy | (214)
Fair Value at December 31, 2023 | $ 0

X
- Definition Disclosure of marketable securities. + References No definition available. + Details
Name: | nxe_DisclosureOfMarketableSecuritiesLineItems
Namespace Prefix: | nxe_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock share acquired during the period value. + References No definition available. + Details
Name: | nxe_StockShareAcquiredDuringThePeriodValue
Namespace Prefix: | nxe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock share disposal during the period value. + References No definition available. + Details
Name: | nxe_StockShareDisposalDuringThePeriodValue
Namespace Prefix: | nxe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock share fair value adjustments during the period value. + References No definition available. + Details
Name: | nxe_StockShareFairValueAdjustmentsDuringThePeriodValue
Namespace Prefix: | nxe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock share held during the period value. + References No definition available. + Details
Name: | nxe_StockShareHeldDuringThePeriodValue
Namespace Prefix: | nxe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=nxe_NinetyTwoEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=nxe_ConsolidatedUraniumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=nxe_LatitudeUraniumSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=nxe_LatitudeUraniumWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |