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DEFERRED REVENUE (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Deferred Revenue
Deferred revenue reconized	$ 608,808	$ 1,043,281	$ 483,296	$ 963,674

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- Definition

Deferred revenue revenue recognized.

+ References

No definition available.

+ Details

Name:	CETX_DeferredRevenueRevenueRecognized
Namespace Prefix:	CETX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	CETX_DisclosureDeferredRevenueAbstract
Namespace Prefix:	CETX_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration