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Warrants (Details) - Schedule of reconciliation of the beginning and ending balances of warrants liability - USD ($) $ in Thousands | 7 Months Ended | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2022
Schedule of Reconciliation of the Beginning and Ending Balances of Warrants Liability [Abstract] |  |
Beginning balance | $ 1,152 | $ 1,091
Fair value change of the issued warrants included in earnings | (61) | (1,063)
Ending balance | $ 1,091 | $ 28

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- Definition It represents the fair value of issued warrants. + References No definition available. + Details
Name: | negg_FairValueOfIssuedWarrants
Namespace Prefix: | negg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | negg_ScheduleOfReconciliationOfTheBeginningAndEndingBalancesOfWarrantsLiabilityAbstract
Namespace Prefix: | negg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Fair Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References No definition available. + Details
Name: | negg_WarrantsAndRightsOutstandingFairValue
Namespace Prefix: | negg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant