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v3.25.2

Schedule of Property and Equipment (Details) (Parenthetical) - Asset Purchase Agreement [Member] | 6 Months Ended
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Jun. 30, 2025 USD ($)
73 Vehicles [Member] |
Property, Plant and Equipment [Line Items] |
[custom:PaymentsToAcquireVehicles] | $ 5,139,877
Ground Storage Tanks [Member] |
Property, Plant and Equipment [Line Items] |
[custom:PaymentsToAcquireVehicles] | 80,000
Vehicles [Member] |
Property, Plant and Equipment [Line Items] |
[custom:PaymentsToAcquireVehicles] | $ 5,219,877

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- Definition Payments to acquire vehicles. + References No definition available. + Details
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Namespace Prefix: | NXXT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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- Details
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- Details
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- Details
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Balance Type: |
Period Type: |