Leases - Schedule of Reconciliation of Undiscounted Cash Flows to Finance and Operating Lease Liabilities (Details)	Dec. 31, 2019 USD ($)
Leases [Abstract]
Finance leases, Remainder of 2020	$ 17,808
Finance leases, 2021	19,787
Finance leases, 2022
Finance leases, 2023
Finance leases, 2024
Finance leases, Undiscounted lease payments	37,595
Finance leases, Amount representing interest	(611)
Finance leases, Discounted lease payments	36,984
Operating Leases, Remainder of 2020	342,498
Operating Leases, 2021	385,573
Operating Leases, 2022	269,311
Operating Leases, 2023	158,957
Operating Leases, 2024	32,265
Operating Leases, Undiscounted lease payments	1,188,604
Operating Leases, Amount representing interest	(83,309)
Operating Leases, Discounted lease payments	1,105,295
Total, Remainder of 2020	360,306
Total, 2021	405,360
Total, 2022	269,311
Total, 2023	158,957
Total, 2024	32,265
Total, Undiscounted lease payments	1,226,199
Total, Amount representing interest	(83,920)
Total, Discounted lease payments	$ 1,142,279

Finance leases, Discounted lease payments.

No definition available.

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- Definition

Finance leases, Amount representing interest.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Operating and finance lease, Amount representing interest.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of lessee's discounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease and finance lease.

+ References

No definition available.

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in fourth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

+ References

No definition available.

+ Details

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Namespace Prefix:	CETX_
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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in four rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

+ References

No definition available.

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in three rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

+ References

No definition available.

+ Details

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Namespace Prefix:	CETX_
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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in third rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

+ References

No definition available.

+ Details

Name:	CETX_LesseeOperatingLeaseAndFinanceLeaseLiabilityPaymentsRemainderOfFiscalYear
Namespace Prefix:	CETX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease and finance lease.

+ References

No definition available.

+ Details

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- Definition

Operating Leases, Discounted lease payments.

+ References

No definition available.

+ Details

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

- Definition

Operating Leases, Amount representing interest.

+ References

No definition available.

+ Details

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

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

+ Details

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Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.

+ References

+ Details

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

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due in remainder of fiscal year following latest fiscal year ended.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

+ Details

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Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

+ References

+ Details

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