Amount of contingency amount of settlement.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount for recovery of advance payments for the purchase of vehicle of the award the plaintiff seeks in the legal matter.

+ References

No definition available.

+ Details

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

- Definition

The estimated amount of payment for outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	cenn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The court-granted mediation period applicable to the legal proceeding, expressed in “PnYnMnDTnHnMnS” format. For example, “P1Y5M13D” represents a duration of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	cenn_MediationPeriod
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- Definition

This element represents the amount of mold development fees sought by Wuxi Hefu Metal Products Technology Co., Ltd. in litigation against Hangzhou Ronda Tech Co., Limited under the Automotive Parts Product Development Agreement and supplementary agreement.

+ References

No definition available.

+ Details

Name:	cenn_MoldDevelopmentFeesClaimAmount
Namespace Prefix:	cenn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The return of previously paid mold development fees due to products had quality issues sought by Hangzhou Ronda Tech Co., Limited in litigation against Wuxi Hefu Metal Products Technology Co., Ltd. under the Automotive Parts Product Development Agreement and supplementary agreement.

+ References

No definition available.

+ Details

Name:	cenn_MoldDevelopmentFeesReturnClaimAmount
Namespace Prefix:	cenn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of agreements made between the parties involved in legal dispute.

+ References

No definition available.

+ Details

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Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of causes of action sounding in contract and tort against the defendants.

+ References

No definition available.

+ Details

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Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

The number of contract claims, Plaintiff alleges breach of contract claims pertaining to an employment agreement between Plaintiff and CAG and a purported letter agreement between Plaintiff and CEL.

+ References

No definition available.

+ Details

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Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of tort claims.

+ References

No definition available.

+ Details

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Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of vehicles claimed by third party "Ride Man LLC (“Ride Man”) as defective and alleging breach of warranty and violations of the New Jersey Consumer Fraud Act in connection with the purchase of certain commercial electric vehicles.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Period to amend complaint by plaintiff , in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

No definition available.

+ Details

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Namespace Prefix:	cenn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the amount subject to court-ordered property preservation, including the freezing of bank deposits or seizure of other assets of equivalent value, in connection with pending litigation involving mold development fees.

+ References

No definition available.

+ Details

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

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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.

+ References

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- Definition

The number of claims settled and dismissed during the period.

+ References

+ Details

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- Definition

Amount of damages paid to the plaintiff in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

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COMMITMENTS AND CONTINGENCIES (Details)								6 Months Ended
COMMITMENTS AND CONTINGENCIES (Details)	Aug. 11, 2026	Jun. 29, 2026 CNY (¥) Days	May 22, 2026 USD ($)	Apr. 22, 2026 CNY (¥)	Jun. 18, 2025 USD ($)	Apr. 16, 2025 CNY (¥) Agreement	Jul. 22, 2022 USD ($) Complaint Contract Claim	Jun. 30, 2026	Jul. 17, 2026 USD ($)	Jan. 05, 2026 CNY (¥)	Dec. 15, 2025 CNY (¥)	Dec. 02, 2025 CNY (¥)	Oct. 24, 2025 Vehicles	Apr. 10, 2024 USD ($)	Jan. 02, 2024 USD ($)
COMMITMENTS AND CONTINGENCIES [Abstract]
Number of complaint causes in contract and tort against defendants \| Complaint							11
Number of contract claims \| Contract							4
Number of tort claims \| Claim							7
Total damages							$ 19,000,000
Period to amend complaint by plaintiff								30 days
Payment for outstanding amount															$ 1,767,516.91
Recovery of advance payments															$ 3,289,500
Contingency settlement of amount														$ 512,226
Number of days after the judgment becomes effective \| Days		10
Number of Logistar 400 vehicles claimed by third party as defective and breach of warranty \| Vehicles													4
Subsequent Event [Member]
COMMITMENTS AND CONTINGENCIES [Abstract]
Payment for outstanding amount									$ 1,767,516.91
Hangzhou Ronda Tech Co., Limited [Member]
COMMITMENTS AND CONTINGENCIES [Abstract]
Loss contingency, damages, attorneys' fees and costs \| ¥						¥ 170,555
Number of agreements \| Agreement						3
Lawsuit settlement award payable to counterparty \| ¥		¥ 140,000		¥ 476,314.2
Mold development fees claim amount \| ¥												¥ 476,314.2
Property preservation amount related to litigation \| ¥											¥ 476,314.2
Previously paid mold development fees return claim amount \| ¥										¥ 730,680
Mediation period	2 years
Bison Motors Inc. [Member]
COMMITMENTS AND CONTINGENCIES [Abstract]
Loss contingency, damages, attorneys' fees and costs			$ 148,413.12
Minimum [Member]
COMMITMENTS AND CONTINGENCIES [Abstract]
Loss contingency, damages, attorneys' fees and costs					$ 4,400,000