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Other Receivables - Schedule Of Other Receivables And Other Current Assets (Detail) - USD ($) | Jun. 30, 2024 | Dec. 31, 2023
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Other Receivables And Other Current Assets [Abstract] |  |
Deposit and other assets | $ 55,598 | $ 127,313
Total | $ 55,598 | $ 127,313

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- Definition Other receivables and other current assets. + References No definition available. + Details
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Namespace Prefix: | ncl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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- Definition The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement. + 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(17)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DepositAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant