XML 76 R46.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Property and Equipment - Summary of Detailed Information about Property, Plant and Equipment (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | $ 5,404 |
Balance at end of year | 5,354 | $ 5,404
At Cost [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 16,489 | 14,534
Additions | 2,361 | 6,328
Disposals | (159) | (101)
Transfer to lease receivable |  | (4,100)
Disposals due to deconsolidation of IsoEnergy |  | (172)
Balance at end of year | 18,691 | 16,489
Accumulated Depreciation [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 11,085 | 9,532
Disposals |  | (81)
Depreciation | 2,252 | 1,768
Disposals due to deconsolidation of IsoEnergy |  | (134)
Balance at end of year | 13,337 | 11,085
Machinery And Equipment [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 3,187 |
Balance at end of year | 4,090 | 3,187
Machinery And Equipment [Member] | At Cost [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 8,366 | 6,665
Additions | 2,109 | 6,009
Disposals | (159) | (101)
Transfer to lease receivable |  | (4,100)
Disposals due to deconsolidation of IsoEnergy |  | (107)
Balance at end of year | 10,316 | 8,366
Machinery And Equipment [Member] | Accumulated Depreciation [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 5,179 | 4,703
Disposals |  | (81)
Depreciation | 1,047 | 626
Disposals due to deconsolidation of IsoEnergy |  | (69)
Balance at end of year | 6,226 | 5,179
Computer Equipment And Software [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 151 |
Balance at end of year | 254 | 151
Computer Equipment And Software [Member] | At Cost [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 1,979 | 1,978
Additions | 252 | 66
Disposals | 0 | 0
Transfer to lease receivable |  | 0
Disposals due to deconsolidation of IsoEnergy |  | (65)
Balance at end of year | 2,231 | 1,979
Computer Equipment And Software [Member] | Accumulated Depreciation [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 1,828 | 1,731
Disposals |  | 0
Depreciation | 149 | 162
Disposals due to deconsolidation of IsoEnergy |  | (65)
Balance at end of year | 1,977 | 1,828
Other [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 2,066 |
Balance at end of year | 1,010 | 2,066
Other [member] | At Cost [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 6,144 | 5,891
Additions | 0 | 253
Disposals | 0 | 0
Transfer to lease receivable |  | 0
Disposals due to deconsolidation of IsoEnergy |  | 0
Balance at end of year | 6,144 | 6,144
Other [member] | Accumulated Depreciation [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Balance at beginning of year | 4,078 | 3,098
Disposals |  | 0
Depreciation | 1,056 | 980
Disposals due to deconsolidation of IsoEnergy |  | 0
Balance at end of year | $ 5,134 | $ 4,078

X
- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The decrease in property, plant and equipment resulting from the loss of control of a subsidiary. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 75 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_75_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DepreciationPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DisposalsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_PropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AtCostMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=nxe_AccumulatedDepreciationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=nxe_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=nxe_ComputerEquipmentAndSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |