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SCHEDULE OF OTHER RECEIVABLES (Details) - CAD ($) | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Receivables [Abstract] |  |
HST paid on purchases | $ 440,574 | $ 503,235
VAT paid on purchases | 894,905 | 468,787
Other receivables | 11,146 |
Total other receivables | $ 1,346,625 | $ 972,022

X
- Definition Harmonized sales tax receivable current. + References No definition available. + Details
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Namespace Prefix: | NEXM_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Other receivables gross. + References No definition available. + Details
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Namespace Prefix: | NEXM_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- References No definition available. + Details
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Balance Type: | na
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- Definition Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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