Percentage of line of credit fixed interest.

No definition available.

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- Definition

Percentage of floating interest rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	negg_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of overnight bank funding rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	negg_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of secured overnight funding rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	negg_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=negg_LineOfCreditJuly2015Member
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- Details

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- Details

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- Details

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- Details

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Line of Credit (Details) ¥ in Millions, $ in Millions, $ in Millions			1 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($)	Jul. 31, 2018 USD ($)	May 24, 2024 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2024 USD ($)	Jul. 08, 2025 USD ($)	Jul. 08, 2025 CNY (¥)	Jun. 24, 2025 USD ($)	Jun. 24, 2025 CNY (¥)	Jun. 26, 2024 USD ($)	Jun. 26, 2024 CNY (¥)	May 24, 2024 CNY (¥)	Dec. 31, 2023 USD ($)	Jun. 30, 2022 CNY (¥)	Jul. 31, 2015 USD ($)	Jul. 31, 2015 TWD ($)
Line of Credit [Line Items]
Revolving credit facility			$ 1.4									¥ 10.0
Unused commitment fee percentage		0.20%
Percentage of overnight bank funding rate		0.50%
Percentage of secured overnight funding rate		1.00%
Line of credit, outstanding
Outstanding amount					$ 10.0
Line of credit fixed interest percentage					0.15%
Line of Credit June 2018 [Member]
Line of Credit [Line Items]
Revolving credit facility		$ 100.0
Maturity date		Jul. 27, 2021
Line of Credit August 2026 [Member]
Line of Credit [Line Items]
Maturity date		Aug. 27, 2026
Line of Credit July 2015 [Member]
Line of Credit [Line Items]
Revolving credit facility															$ 5.0	$ 150.0
Line of credit, outstanding					$ 4.6								4.8
Interest rate					2.50%
Line of Credit June 2022 [Member]
Line of Credit [Line Items]
Revolving credit facility	$ 1.2			$ 1.2						$ 1.1	¥ 8.0			¥ 8.0
Line of credit percentage			0.15%
Line of credit fixed interest percentage					0.25%
Line of Credit June 2023 [Member]
Line of Credit [Line Items]
Maturity date	Jun. 22, 2023
Line of Credit [Member]
Line of Credit [Line Items]
Line of credit percentage				0.30%
Line of Credit [Member] \| Line of Credit June 2022 [Member]
Line of Credit [Line Items]
Line of credit, outstanding					$ 2.5								$ 2.5
Credit interest rate					3.60%								3.80%
Minimum [Member]
Line of Credit [Line Items]
Unused commitment fee percentage					0.15%
Minimum [Member] \| Line of Credit July 2018 [Member]
Line of Credit [Line Items]
Loan agreement		$ 40.0
Minimum [Member] \| Line of Credit July 2015 [Member]
Line of Credit [Line Items]
Floating interest rate					0.78%
Maximum [Member]
Line of Credit [Line Items]
Unused commitment fee percentage					0.20%
Maximum [Member] \| Line of Credit July 2018 [Member]
Line of Credit [Line Items]
Loan agreement		$ 50.0
Maximum [Member] \| Line of Credit July 2015 [Member]
Line of Credit [Line Items]
Floating interest rate					1.62%
Forecast [Member]
Line of Credit [Line Items]
Revolving credit facility						$ 1.4	¥ 10.0	$ 0.7	¥ 5.0
Forecast [Member] \| Revolving Credit Facility [Member]
Line of Credit [Line Items]
Revolving credit facility								$ 0.4	¥ 3.0