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v3.23.1

RIGHT-OF-USE (“ROU”) ASSETS AND LEASE PAYABLE (Details Narrative) - SGD ($) | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Short-Term Debt [Line Items] |  |
Operating lease ROU asset | $ 1,448,000 | $ 1,180,000
Secured Floating Rate Bank Loans [Member] |  |
Short-Term Debt [Line Items] |  |
Operating lease ROU asset | $ 676,000 | $ 322,000

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- Definition Operating lease ROU asset. + References No definition available. + Details
Name: | JCSE_OperatingLeaseRightOfUseAssets
Namespace Prefix: | JCSE_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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- Details
Name: | us-gaap_DebtInstrumentAxis=JCSE_SecuredFloatingRateBankLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |