XML 64 R36.htm IDEA: XBRL DOCUMENT
v3.25.2

Schedule of Concentration of Risk (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Product Information [Line Items] |  |  |
Concentration risk percentage | 100.00% | 100.00% |
Customer A [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 47.80% | 0.00% |
Customer A [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 20.75% |  | 37.53%
Customer B [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 20.79% | 28.51% |
Customer B [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 18.98% |  | 0.00%
Customer C [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 8.34% | 0.00% |
Customer C [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 4.38% |  | 0.00%
Customers [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 76.93% | 28.51% |
Customers [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 44.11% |  | 37.53%
Vendor A [Member] | Vendor Purchase [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 60.10% | 0.00% |
Vendor B [Member] | Vendor Purchase [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 18.91% | 40.34% |
Vendor C [Member] | Vendor Purchase [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 11.40% | 46.97% |
Vendor D [Member] | Vendor Purchase [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 4.43% | 12.63% |
Vendors [Member] | Vendor Purchase [Member] | Customer Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration risk percentage | 94.84% | 69.94% |

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 20 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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 No definition available. + Details
Name: | us-gaap_ProductInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_CustomerAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_CustomerBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_CustomerCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_CustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_VendorAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=NXXT_VendorPurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_VendorBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_VendorCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_VendorDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=NXXT_VendorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |