Loan granted on paycheck protection.

No definition available.

Name:	CETX_LoanGrantedOnPaycheckProtection
Namespace Prefix:	CETX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Purchase price.

+ References

No definition available.

+ Details

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Namespace Prefix:	CETX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Amount of obligation due after one year or beyond the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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Name:	us-gaap_LineOfCredit
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of decrease in line of credit facility from forgiveness by the holder of the line of credit.

+ References

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fair value of the amount outstanding under the credit facility.

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Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

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Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payment applied to principal.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Period Type:	instant

- Definition

Carrying value as of the balance sheet date of current portion of long-term loans payable to bank due within one year or the operating cycle if longer.

+ References

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Period Type:	instant

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The cash outflow for acquisition of buildings (properties) whether for investment or use.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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The cash outflow for a borrowing supported by a written promise to pay an obligation.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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- Definition

Number of new stock issued during the period.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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LINES OF CREDIT AND LONG-TERM LIABILITIES (Details Narrative) - USD ($)									12 Months Ended
	Jun. 10, 2022	Mar. 30, 2022	Feb. 22, 2022	Sep. 30, 2021	Sep. 30, 2020	Jan. 28, 2020	May 01, 2018	Dec. 15, 2015	Sep. 30, 2022	Sep. 30, 2021	Apr. 30, 2021	Oct. 26, 2020
Debt Instrument [Line Items]
Outstanding balance				$ 0					$ 0	$ 0
Proceeds from Notes Payable									$ 8,000,000	5,005,000
Stock Issued During Period, Shares, New Issues									5,481,102
Repayments of notes payable									$ 1,751,763	2,220,257
Mortgage loan				9,731,810					5,605,295	9,731,810
Short-term debt				9,977,972					16,894,743	9,977,972
Advanced Industrial Services, Inc [Member]
Debt Instrument [Line Items]
Outstanding balance				$ 2,339,114					$ 2,245,664	$ 2,339,114
Interest rate				2.575%					5.60%	2.575%
Maturity date						Jan. 28, 2040
Purchase price of building						$ 3,381,433
Cash paid for acquisition of building						905,433
Term Loan Agreement [Member]
Debt Instrument [Line Items]
Interest rate		8.85%
Maturity date		Mar. 30, 2023
Notes Payable		$ 5,600,000		$ 3,604,743					$ 2,804,743	$ 3,604,743
Repayments of notes payable		$ 500,000
Paycheck Protection Program [Member]
Debt Instrument [Line Items]
Interest rate											2.00%
Maturity date									May 05, 2025
Loan granted on Paycheck Protection loans											$ 6,413,385
Line of Credit Facility, Decrease, Forgiveness									$ 6,291,985
Loans outstanding									121,400
Short-term debt									24,280
Independent Third-party [Member]
Debt Instrument [Line Items]
Interest rate					8.00%
Maturity date					Mar. 30, 2022
Debt instrument, unamortized discount				200,000	$ 600,000				0	200,000
Legal Fees					5,000
Proceeds from Notes Payable					4,000,000
Notes Payable				2,256,448					0	2,256,448
Independent Third-party [Member] \| Notes Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 4,605,000
Independent Third Party Two [Member]
Debt Instrument [Line Items]
Interest rate												5.00%
Notes Payable				$ 460,377					219,370	$ 460,377
Independent Third Party Two [Member] \| Notes Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 439,774
Independent Third Party Three [Member]
Debt Instrument [Line Items]
Interest rate				8.00%						8.00%
Maturity date				Mar. 30, 2023
Debt instrument, unamortized discount				$ 750,000					250,000	$ 750,000
Legal Fees				5,000
Proceeds from Notes Payable				5,000,000
Notes Payable				5,005,000					4,943,929	5,005,000
Independent Third Party Three [Member] \| Notes Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				5,755,000						5,755,000
Independent Third Party Four [Member]
Debt Instrument [Line Items]
Interest rate			8.00%
Maturity date			Aug. 22, 2023
Debt instrument, unamortized discount			$ 1,200,000						1,064,778
Legal Fees			5,000
Proceeds from Notes Payable			$ 8,000,000
Notes Payable									9,738,632
Stock Issued During Period, Shares, New Issues			1,000,000
Stock Issued During Period, Value, New Issues			$ 700,400
Independent Third Party Four [Member] \| Notes Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 9,205,000
Advanced Industrial Services, Inc [Member]
Debt Instrument [Line Items]
Outstanding balance				$ 1,218,680					$ 247,284	$ 1,218,680
Proceeds from loan used for acquisition								$ 5,000,000
Interest rate				2.325%					5.35%	2.325%
New Advanced Industrial Services Inc [Member]
Debt Instrument [Line Items]
Interest rate				2.075%					5.35%	2.075%
Fulton Bank [Member] \| Advanced Industrial Services, Inc [Member]
Debt Instrument [Line Items]
Mortgage loan						$ 2,476,000
London Interbank Offered Rate (LIBOR) [Member] \| Advanced Industrial Services, Inc [Member]
Debt Instrument [Line Items]
Interest rate	2.62%					2.50%
London Interbank Offered Rate (LIBOR) [Member] \| Advanced Industrial Services, Inc [Member]
Debt Instrument [Line Items]
Variable rate	2.37%							2.25%
London Interbank Offered Rate (LIBOR) [Member] \| New Advanced Industrial Services Inc [Member]
Debt Instrument [Line Items]
Variable rate	2.37%						2.00%
Fulton Bank [Member]
Debt Instrument [Line Items]
Line of credit									$ 3,500,000
Loans payable to bank								$ 5,250,000
Fulton Bank [Member] \| Notes Payable Due On May 1, 2023 [Member]
Debt Instrument [Line Items]
Outstanding balance				$ 258,060					$ 183,839	$ 258,060
Loans payable to bank						$ 360,000
Interest rate				2.325%					5.35%	2.325%
Fulton Bank [Member] \| New Advanced Industrial Services Inc [Member]
Debt Instrument [Line Items]
Outstanding balance				$ 149,914					$ 63,281	$ 149,914
Proceeds from loan used for acquisition							$ 400,000
Fulton Bank [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Secured overnight financing rate	2.37%			2.075%					2.00%	2.075%
Fulton Bank [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Notes Payable Due On May 1, 2023 [Member]
Debt Instrument [Line Items]
Variable rate	2.37%					2.25%
Fulton Bank [Member] \| Secured Overnight Financing Rate SOFR [Member]
Debt Instrument [Line Items]
Secured overnight financing rate									5.35%