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Summary of Significant Accounting Policies (Details) - Schedule of useful lives for depreciable assets	12 Months Ended
	Dec. 31, 2022
Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	20 years
Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	39 years
Machinery and equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	3 years
Machinery and equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	7 years
Computer and software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	3 years
Computer and software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	5 years
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	10 years
Capitalized software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	3 years
Capitalized software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	5 years
Furniture and fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	5 years
Furniture and fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, useful lives	7 years

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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

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Details

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- Details

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X

- Details

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X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
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Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
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Data Type:	na
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X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=negg_CapitalizedSoftwareMember
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X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
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