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SCHEDULE OF FOREIGN CURRENCY EXCHANGE RATE (Details)	Dec. 31, 2021	Sep. 30, 2020
INR [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exchange rate	0.013	0.014
Approximate weighted average exchange rate	0.014	0.014
Great Britain Pound [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exchange rate	1.346	1.287
Approximate weighted average exchange rate	1.358	1.248

X

- Definition

Approximate weighted average exchange rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	CETX_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901

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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.

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- Details

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