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Consolidated Statements of Cash Flows - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Cash flows from (used in) from operating activities |  |
Net income (loss) for the year: | $ 70,168 | $ (60,268)
Adjust for: |  |
Depreciation (Note 7) | 1,804 | 1,814
Share-based payments (Note 12) | 37,142 | 35,146
Mark-to-market loss on convertible debenture (Note 10) | 48,745 | 2,863
Interest expense on convertible debentures (Note 10) | 6,098 | 2,179
Interest on lease liabilities (Note 11(c)) | 153 | 207
Share of net income from associate (Note 8) | (920) | 0
Gain on loss of control of IsoEnergy (Note 17) | (204,038) | 0
Deferred income tax recovery | (1,412) | (1,042)
Unrealized foreign exchange (gain) loss | 964 | (1,017)
Other expense | 1,378 | 85
Operating cash flows before working capital | (39,918) | (20,033)
Changes in working capital items: |  |
Amounts receivable | (132) | (623)
Prepaid expenses and other | (13,893) | (1,137)
Accounts payable and accrued liabilities | 1,332 | 1,617
Deposits | (5) | 0
Cash used in operating activities | (52,616) | (20,176)
Cash flows used in investing activities |  |
Expenditures on exploration and evaluation assets (Note 6) | (109,741) | (67,699)
Disposal of cash due to deconsolidation of Iso Energy | (42,329) | 0
Acquisition of marketable securities (Note 5) | (2,000) | 0
Acquisition of equipment (Note 7) | (6,066) | (354)
Cash used in investing activities | (160,136) | (68,053)
Cash flows from (used in) financing activities |  |
Proceeds from at-the-market equity program, net of issuance costs (Note 12) | 175,858 | 0
Shares issued from IsoEnergy Ltd. for cash from private placements, net of share issuance costs | 21,605 | 6,244
Issuance of convertible debentures, net of issuance costs (Note 10) | 147,955 | 5,296
Proceeds from exercise of options | 27,609 | 10,717
Payment of lease liabilities (Note 11(c)) | (928) | (913)
Interest paid on convertible debentures | (3,209) | (1,489)
Cash provided by financing activities | 368,890 | 19,855
Foreign exchange loss on cash | 158 | 1,017
Increase (decrease) in cash | 156,296 | (67,357)
Cash, beginning of year | 134,447 | 201,804
Cash, end of year | $ 290,743 | $ 134,447

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Name: | nxe_ProceedsFromExerciseOfOptionsAndWarrants
Namespace Prefix: | nxe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Purchase of marketable securities classified as investing activities. + References No definition available. + Details
Name: | nxe_PurchaseOfMarketableSecuritiesClassifiedAsInvestingActivities
Namespace Prefix: | nxe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration