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Finance lease, liability.

No definition available.

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Stock payable related parties.

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Area of land held.

No definition available.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Interest and debt related expenses associated with nonoperating financing activities of the entity.

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Discount rate used by lessee to determine present value of operating lease payments.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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Amount of lessee's right to use underlying asset under operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities.

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Cash payments to lessor's for use of assets under operating leases.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Amount of cash inflow from lease payment, classified as operating activity.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Cash received on stock transaction after deduction of issuance costs.

No definition available.

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Gross number of share options (or share units) granted during the period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
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Data Type:	dtr-types:perShareItemType
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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Value, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Name:	srt_TitleOfIndividualAxis=NXXT_ChiefTechnologyOfficerMember
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Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
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Data Type:	na
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Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
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Data Type:	na
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Name:	srt_TitleOfIndividualAxis=NXXT_BoardOfDirectorsMember
Namespace Prefix:
Data Type:	na
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Name:	srt_TitleOfIndividualAxis=NXXT_BoardOfDirectorsMemberMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=NXXT_NotePayablesMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=NXXT_PromissoryNotePayableMember
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Name:	srt_RangeAxis=srt_MinimumMember
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