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SCHEDULE OF CONTRACT ASSETS AND LIABILITIES (Details) - USD ($) | 6 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Contract Assets And Liabilities |  |
Costs incurred on uncompleted contracts | $ 11,582,989 | $ 12,523,552
Costs incurred on uncompleted contracts | 2,816,002 | 3,085,350
Costs incurred on uncompleted contracts | 14,398,991 | 15,608,902
Costs incurred on uncompleted contracts | (14,318,721) | (14,850,020)
Costs incurred on uncompleted contracts | $ 80,270 | $ 758,882

X
- Definition Applicable billings to date. + References No definition available. + Details
Name: | CETX_ContractAssetsAndLiabilitiesForApplicableBillingToDate
Namespace Prefix: | CETX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Estimated gross profit. + References No definition available. + Details
Name: | CETX_ContractAssetsAndLiabilitiesUncompletedEstimatedGrossProfit
Namespace Prefix: | CETX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract with customer asset and liability. + References No definition available. + Details
Name: | CETX_ContractWithCustomerAssetAndLiability
Namespace Prefix: | CETX_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Costs in excess of billings on uncompleted contracts. + References No definition available. + Details
Name: | CETX_CostsInExcessOfBillingsOnUncompletedContracts
Namespace Prefix: | CETX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Costs incurred on uncompleted contracts estimated net. + References No definition available. + Details
Name: | CETX_CostsIncurredOnUncompletedContractsEstimatedNet
Namespace Prefix: | CETX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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