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

Percentage of lowest daily volume weighted average price at which convertible note is converted into common shares.

No definition available.

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

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

Accrued interest amount of original debt converted during the period.

No definition available.

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

Principal amount of original debt converted during the period.

No definition available.

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

Percentage of beneficial ownership limitation of the convertible debt instrument.

No definition available.

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

Percentage of lowest daily volume weighted average price of common stock considered in determination of conversion price of convertible debt instrument.

No definition available.

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

Threshold number of specified trading days considered in determination of lowest volume weighted average price for conversion price.

No definition available.

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

Conversion price as percentage of lowest trading price of convertible debt instrument.

No definition available.

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

Conversion price as percentage of lowest trading price of convertible debt instrument in the event of default.

No definition available.

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

Threshold number of specified trading days considered in determination of lowest trading price for conversion price.

No definition available.

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

Percentage of outstanding debt payable upon occurrence and continuation of default under the debt instrument.

No definition available.

Name:	cntm_DebtInstrumentDebtDefaultInContinuationOutstandingBalanceIncludingAccruedInterestAndFeesPercentage
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

Percentage of late payment fee charged on the outstanding amount upon occurrence of default.

No definition available.

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

Percentage of outstanding debt payable upon occurrence of default under the debt instrument.

No definition available.

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

Amount of facilitation fee payable to lender.

No definition available.

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

Percentage of facilitation fee payable to lender.

No definition available.

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

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

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

Number of unaffiliated accredited investor to whom the debt instrument was issued.

No definition available.

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

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

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

Period of time allowed for each installment to repay debt without incurring penalty or default.

No definition available.

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

Final installment for repayment of debt.

No definition available.

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

Number of installments for repayment of debt.

No definition available.

Name:	cntm_DebtInstrumentRepaymentNumberOfInstallments
Namespace Prefix:	cntm_
Data Type:	xbrli:integerItemType
Balance Type:	na
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

Percentage of interest charged for unpaid principal amount upon maturity for a debt instrument.

No definition available.

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

Base charge rate for funds borrowed under financing facility.

No definition available.

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

Threshold each period considered in the determination of base charge rate under the financing facility expressed in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

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

Amount of gain or loss recognized during the period resulting from the extinguishment, settlement, termination, or cancellation of earnout obligations under a contingent earnout arrangement.

No definition available.

Name:	cntm_GainLossOnExtinguishmentOfContingentConsiderationLiability
Namespace Prefix:	cntm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

Number of promissory note issued during the period.

No definition available.

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

Amount of cash outflow as due diligence fees in connection with the debt instrument.

No definition available.

Name:	cntm_PaymentsForDueDiligenceFees
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

Amount of cash outflow for placement agent fees in connection with the debt instrument.

No definition available.

Name:	cntm_PaymentsForPlacementAgentFees
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

Amount of cash inflow from the financing facility.

No definition available.

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

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-5

Name:	us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Name:	us-gaap_DebtConversionOriginalDebtAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Name:	us-gaap_DebtDefaultLongtermDebtAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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://fasb.org/us-gaap/role/ref/legacyRef
-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/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://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: 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

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
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:	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:	us-gaap_DebtInstrumentAxis=cntm_FirstConvertibleNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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

Name:	us-gaap_DebtInstrumentAxis=cntm_ConvertibleNoteIssuedOnDecember82025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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

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

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

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

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

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

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

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

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