Represents the invoiced amount pertaining to financing advance.

No definition available.

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

- Definition

Amount of financing advance retained as hold back.

+ References

No definition available.

+ Details

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

- Definition

Additional charge rate over the base rate for funds borrowed and outstanding after initial term under the financing facility.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Amount of advances released from escrow under the financing facility.

+ References

No definition available.

+ Details

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

- Definition

Amount of advances remitted to vendor from the proceeds released from escrow under financing facility.

+ References

No definition available.

+ Details

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

- Definition

Period considered for 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.

+ References

No definition available.

+ Details

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

- Definition

Base charge rate for funds borrowed under financing facility.

+ References

No definition available.

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

Represents the lender advanced amount under financing facility.

+ References

No definition available.

+ Details

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

- Definition

Number of advances received under purchase order financing arrangement.

+ References

No definition available.

+ Details

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

- Definition

Number of purchase orders financed.

+ References

No definition available.

+ Details

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

- Definition

Amount of cash inflow from the financing facility.

+ References

No definition available.

+ Details

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

- Definition

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.

+ References

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

+ Details

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

- Details

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

- Details

Name:	srt_ConsolidatedEntitiesAxis=cntm_CountyComfortServicesLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=cntm_KeenLabsOperationsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

SUBSEQUENT EVENTS - Purchase Order Financing Advance (Details)				1 Months Ended	3 Months Ended	6 Months Ended
	Aug. 06, 2026 USD ($)	Apr. 08, 2026 USD ($)	Sep. 18, 2025	Jul. 31, 2026 USD ($) item	Jun. 30, 2026 USD ($) item	Jun. 30, 2026 USD ($) item
PO financing \| CCS
SUBSEQUENT EVENTS
Advance received		$ 134,000			$ 1,943,000	$ 1,943,000
Base charge rate		1.625%	1.625%
Base charge rate, threshold period post invoice		15 days	15 days
Number of purchase orders financed \| item					2	2
PO financing \| Keen Labs Operations, Inc \| Subsequent events
SUBSEQUENT EVENTS
Advance received	$ 111,000
Base charge rate	1.55%
Number Of advances received \| item				2
Invoiced amount				$ 956,000
Lender advanced amount				813,000
Retained as hold back amount				$ 143,000
Advances released from escrow	$ 432,000
Advances remitted to vendor	$ 321,000
Base charge rate, initial term	30 days
Additional charge rate	0.55%
Additional charge rate, each additional period	10 days
AR financing \| CCS
SUBSEQUENT EVENTS
Base charge rate			1.55%
Base charge rate, initial term			30 days