No definition available.

Name:	neon_AccountingPoliciesLineItems
Namespace Prefix:	neon_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Accounts receivable percentage.

+ References

No definition available.

+ Details

Name:	neon_AccountsReceivablePercentage
Namespace Prefix:	neon_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

Name:	neon_DeferredCompensationsLiabilityCurrent
Namespace Prefix:	neon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Outstanding voting shares percentage.

+ References

No definition available.

+ Details

Name:	neon_OutstandingVotingSharesPercentage
Namespace Prefix:	neon_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Ownership percentage.

+ References

No definition available.

+ Details

Name:	neon_OwnershipPercentage
Namespace Prefix:	neon_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

No definition available.

+ Details

Name:	neon_ReductionOfOurAccountsReceivableAndRevenue
Namespace Prefix:	neon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Revenues percentage.

+ References

No definition available.

+ Details

Name:	neon_RevenuesPercentage
Namespace Prefix:	neon_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Voting rights percentage.

+ References

No definition available.

+ Details

Name:	neon_VotingRightsPercentage
Namespace Prefix:	neon_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount owed to the reporting entity by counterparties in securitized loan transactions.

+ References

No definition available.

+ Details

Name:	us-gaap_AccountsReceivableFromSecuritization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
-SubTopic 35
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483406/720-35-50-1

+ Details

Name:	us-gaap_AdvertisingExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-4

+ Details

Name:	us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization expense for deferred sales inducement cost from accrued interest on unamortized balance.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredSalesInducementCostAmortizationExpenseAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, before tax, of realized gain (loss) from foreign currency transaction.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
-SubTopic 830
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480167/946-830-55-10

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section 45
-Paragraph 6
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483581/946-220-45-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(7)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481956/830-20-45-1

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481926/830-20-50-1

+ Details

Name:	us-gaap_ForeignCurrencyTransactionGainLossRealized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of valuation reserve for inventory.

+ 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(6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.BB)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480581/330-10-S99-2

+ Details

Name:	us-gaap_InventoryValuationReserves
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of general and administrative expense classified as other.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_OtherGeneralAndAdministrativeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_OwnershipAxis=neon_NeonodeTechnologiesABMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=neon_AirBarSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=neon_SeikoEpsonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=neon_HewlettPackardCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=neon_AlpineElectronicsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=neon_LGMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=neon_AlpsAlpineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_ForeignCurrencyGainLossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Summary of Significant Accounting Policies (Details) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 01, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Summary of Significant Accounting Policies [Line items]
Voting rights percentage				50.00%
Foreign currency translation gains (losses)		$ (48,000)	$ (154,000)	$ 30,000	$ 104,000
General and administrative expenses			$ 18,000		$ 47,000
Accounts receivable percentage				75.00%		83.00%
Revenues percentage		10.00%	10.00%	10.00%	10.00%
Reduction of our accounts receivable and revenue				$ 8,000		$ 9,000
Accrued expense and cost of sales				39,000		49,000
Company recognized revenues		$ 4,000		18,000
Advertising costs		$ 49,000	$ 21,000	$ 161,000	$ 105,000
Outstanding voting shares percentage				50.00%
Neonode Technologies AB [Member]
Summary of Significant Accounting Policies [Line items]
Majority owned by pronode technologies AB		51.00%		51.00%
Remaining Percentage of pronode technologies AB	49.00%
AirBar Sales [Member]
Summary of Significant Accounting Policies [Line items]
Inventory reserve amount		$ 300,000		$ 300,000		$ 300,000
Seiko Epson Corporation [Member]
Summary of Significant Accounting Policies [Line items]
Revenues percentage		20.00%	26.00%	21.00%
Hewlett Packard Company [Member]
Summary of Significant Accounting Policies [Line items]
Revenues percentage			26.00%	21.00%	28.00%
Alpine Electronics, Inc [Member]
Summary of Significant Accounting Policies [Line items]
Revenues percentage			11.00%	16.00%
LG Electronics Inc. [Member]
Summary of Significant Accounting Policies [Line items]
Revenues percentage			12.00%	13.00%	11.00%
Alpine Electronics, Inc. [Member]
Summary of Significant Accounting Policies [Line items]
Revenues percentage					10.00%
Accounts Receivable [Member]
Summary of Significant Accounting Policies [Line items]
Accounts receivable		$ 900,000		$ 900,000
Allowance for doubtful accounts		30,000		30,000
Foreign Currency Gain (Loss) [Member]
Summary of Significant Accounting Policies [Line items]
General and administrative expenses		$ 2,000		$ 7,000