Name:	cntm_ConvertibleNoteConversionNumberOfTradingDays
Namespace Prefix:	cntm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of convertible debt financing entered.

No definition available.

Name:	cntm_DebInstrumentNumberOfConvertibleDebtFinancing
Namespace Prefix:	cntm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of commitment shares accompanied with the debt issuance.

No definition available.

Name:	cntm_DebtInstrumentAccompaniedCommitmentShares
Namespace Prefix:	cntm_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Amount of annual interest payment for debt instrument.

No definition available.

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

Represents the advance notice period required to increase the beneficial ownership limitation under the convertible debt instrument.

No definition available.

Name:	cntm_DebtInstrumentBeneficialOwnershipLimitationIncreasePeriod
Namespace Prefix:	cntm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of the issuer's outstanding common stock that the holder may beneficially own following conversion of the convertible debt instrument.

No definition available.

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

Amount of fee deducted by the note holder from the conversion amount upon conversion of outstanding principal and interest into common stock.

No definition available.

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

Percentage of the market price used to determine the conversion price under debt agreement.

No definition available.

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

Represents the conversion price percentage applied to the lowest trading price of the issuer's common stock during a DTC chill.

No definition available.

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

Represents the period from issuance during which the holder may not convert the convertible note into common stock.

No definition available.

Name:	cntm_DebtInstrumentConversionRestrictionPeriod
Namespace Prefix:	cntm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Multiplier applied to the number of shares issuable upon full conversion of the debt instrument to determine the required share reserve amount.

No definition available.

Name:	cntm_DebtInstrumentConversionShareReserveMultiplier
Namespace Prefix:	cntm_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Contractual interest rate for funds borrowed, under the debt agreement in the event of default.

No definition available.

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

Percentage of interest rate on the debt instrument in the event of default.

No definition available.

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

Amount of increase in the note balance triggered by loss of DTC eligibility.

No definition available.

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

Interval frequency of periodic payments of debt.

No definition available.

Name:	cntm_DebtInstrumentIntervalFrequencyOfPeriodicPayment
Namespace Prefix:	cntm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of daily penalty payable for late delivery of conversion shares under the convertible note agreement.

No definition available.

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

Number of commitment shares issued in connection with the debt instrument.

No definition available.

Name:	cntm_DebtInstrumentNumberOfCommitmentSharesIssued
Namespace Prefix:	cntm_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Amount of one-time interest charge on the debt instrument.

No definition available.

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

The amount of non-cash expense for the original issuance discount incurred on the debt instruments during the reporting period.

No definition available.

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

Administrative fee required to be paid upon voluntary prepayment of the debt instrument in accordance with the terms of the debt agreement.

No definition available.

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

Percentage of outstanding principal and accrued interest required upon voluntary prepayment of the debt instrument.

No definition available.

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

Number of trading days' prior written notice required before voluntary prepayment of the debt instrument pursuant to the terms of the debt agreement.

No definition available.

Name:	cntm_DebtInstrumentPrepaymentNoticePeriod
Namespace Prefix:	cntm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of outstanding principal and accrued interest required to be paid upon prepayment of the convertible debt instrument.

No definition available.

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

Represents the period after issuance during which early redemption of the convertible debt instrument is permitted.

No definition available.

Name:	cntm_DebtInstrumentPrepaymentRightExpirationPeriod
Namespace Prefix:	cntm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of purchase price of debt instrument, net of issue discount.

No definition available.

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

Number of installments for periodic payment of debt.

No definition available.

Name:	cntm_DebtInstrumentRepaymentNumberOfInstallmentsForPeriodicPayments
Namespace Prefix:	cntm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Amount of repayment obligation of debt instrument, including interest.

No definition available.

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

Period during which the payments are temporarily postponed before scheduled repayment begins under the debt instrument.

No definition available.

Name:	cntm_DebtInstrumentRepaymentPaymentDeferralPeriod
Namespace Prefix:	cntm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Number of common shares required to be reserved by the company for issuance upon conversion of the debt instrument.

No definition available.

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

Threshold period for initiating repayment of periodic payment.

No definition available.

Name:	cntm_DebtInstrumentThresholdPeriodForInitiatingRepaymentPeriodicPayment
Namespace Prefix:	cntm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of gross proceeds from convertible debt.

No definition available.

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

Amount of cash outflow as legal fees reimbursement in connection with the debt instrument.

No definition available.

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

Percentage of conversion notice, subject to beneficial ownership limitation.

No definition available.

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

The price per share of the conversion feature embedded in the debt instrument.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-5

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482949/835-30-55-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

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

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-9

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

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

Amount of the required periodic payments including both interest and principal payments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-9

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477734/942-470-50-3

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

Amount of the required periodic payments applied to principal.

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

Amount of the cost of borrowed funds accounted for as interest expense for debt.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69F
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69F

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479105/946-220-45-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-6

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

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

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

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cntm_ConvertibleRedeemableFirstJulyNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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

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

Name:	us-gaap_DebtInstrumentAxis=cntm_ConvertibleRedeemableSecondJulyNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cntm_ConvertibleRedeemableNoteJuly92026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cntm_ConvertiblePromissoryNoteJuly182026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementScenarioAxis=cntm_SixInstallmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementScenarioAxis=cntm_ThereafterSeventhInstallmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cntm_ConvertiblePromissoryNoteJuly182027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cntm_ConvertiblePromissoryNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: