Name:	cntm_DisposalGroupIncludingDiscontinuedOperationConsiderationEquitySharesReceivedOrReceivable
Namespace Prefix:	cntm_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of shares exchanged in share swap as part of disposal by means other than sale.

No definition available.

Name:	cntm_DisposalGroupIncludingDiscontinuedOperationNumberOfSharesExchanged
Namespace Prefix:	cntm_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Percentage of effective tax rate used in the computation of income tax exposure on assumed capital gains under the adverse scenario, based on short-term capital-gains treatment and application of GAAR.

No definition available.

Name:	cntm_EffectiveTaxRateOnCapitalGainsInAdverseScenarioPercent
Namespace Prefix:	cntm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of effective tax rate on long-term capital gains under Indian income-tax rules.

No definition available.

Name:	cntm_EffectiveTaxRateOnLongTermCapitalGainsPercent
Namespace Prefix:	cntm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The estimated adjusted tax basis, for U.S. federal income tax purposes, of shares held by the entity immediately prior to their disposition or exchange.

No definition available.

Name:	cntm_EstimatedAdjustedTaxBasisInShares
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage of blended federal and state income rate used in the computation of tax expense (benefit) on gain (loss) of disposal group including discontinued operations.

No definition available.

Name:	cntm_FederalAndStateIncomeTaxRatePercent
Namespace Prefix:	cntm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of federal operating loss carryforwards utilized from taxable gain upon disposal of discontinued operations.

No definition available.

Name:	cntm_FederalOperatingLossCarryforwardsUtilized
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of income tax exposure arising from the assumed long-term capital gain under the applicable Indian income-tax rules.

No definition available.

Name:	cntm_IncomeTaxPayableOnAssumedLongTermCapitalGain
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Maximum Indian income tax exposure on the assumed capital gain under the adverse scenario, based on short-term capital-gains treatment and application of GAAR.

No definition available.

Name:	cntm_MaximumIncomeTaxExposureOnAssumedCapitalGainInAdverseScenario
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Non-cash charge recognized as an aggregate discrete tax reserve within income tax expense.

No definition available.

Name:	cntm_NoncashChargeRecognizedAsDiscreteTaxReserve
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of cash outflow (inflow) from divestiture of business by parties to the agreement.

No definition available.

Name:	cntm_PaymentsProceedsFromDivestitureOfBusinessByParties
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Percentage of equity interest disposed.

No definition available.

Name:	cntm_PercentageOfEquityInterestDisposed
Namespace Prefix:	cntm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Amount of remaining gain (loss) recognized for U.S. federal income tax purposes in connection with the disposal of a discontinued operation.

No definition available.

Name:	cntm_RemainingTaxableGainLossOnDisposalOfDiscontinuedOperations
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of gain (loss) recognized for U.S. federal income tax purposes in connection with the disposal of a discontinued operation.

No definition available.

Name:	cntm_TaxableGainLossOnDisposalOfDiscontinuedOperations
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of tax expense (benefit) on gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5C
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483499/205-20-50-5C

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482659/740-20-45-2

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

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479424/830-30-S99-1

Name:	us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.

Name:	us-gaap_IncomeTaxContingencyLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=cntm_BlueCloudSoftechSolutionsLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=cntm_GlobalImpexIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: