XML 65 R56.htm IDEA: XBRL DOCUMENT
v3.23.2

CONVERTIBLE PROMISSORY NOTE AND WARRANT, Convertible Promissory Note (Details) |  | 6 Months Ended |
--- | --- | --- | ---
Jul. 20, 2022 USD ($) | Jun. 30, 2023 USD ($) TradingDays $ / shares | Jun. 30, 2022 | Dec. 31, 2022 USD ($)
Movement of Note [Abstract] |  |  |  |
Convertible promissory notes, Beginning Balance |  | $ 57,372,827 |  |
Convertible promissory notes, Ending Balance |  | $ 11,904,153 |  |
Convertible Promissory Note [Member] |  |  |  |
Convertible Promissory Note [Abstract] |  |  |  |
Net proceeds after deducting issuance expenses | $ 54,069,000 |  |  |
Mandatory redemption amount multiplier |  | 1.08 |  |
Number of consecutive trading days | TradingDays |  | 10 |  |
Conversion price percentage |  | 85.00% |  |
Period for volume weighted average price |  | 10 days |  |
Period considered after occurrence of any event of default |  | 5 days |  |
Movement of Note [Abstract] |  |  |  |
Convertible promissory notes, Beginning Balance |  | $ 57,372,827 |  |
Convertible promissory notes issued during the year |  | 0 |  |
Redemption of convertible promissory notes |  | (45,583,220) |  |
Fair value change recognized |  | 114,546 |  |
Convertible promissory notes, Ending Balance |  | 11,904,153 |  |
Fair Value Assumptions - Convertible Promissory Note [Abstract] |  |  |  |
Face value principal payable | $ 61,215,000 | $ 11,904,179 |  | $ 57,488,000
Interest rate | 8.00% | 8.00% |  | 8.00%
Issue date |  | Jul. 20, 2022 | Jul. 20, 2022 |
Maturity date |  | Jul. 19, 2023 | Jul. 19, 2023 |
Convertible Promissory Note [Member] | Minimum [Member] |  |  |  |
Fair Value Assumptions - Convertible Promissory Note [Abstract] |  |  |  |
Face value principal payable |  | $ 25,000,000 |  |
Convertible Promissory Note [Member] | Maximum [Member] |  |  |  |
Convertible Promissory Note [Abstract] |  |  |  |
Floor price (in dollars per share) | $ / shares |  | $ 1 |  |
Accrue interest rate |  | 10.00% |  |
Convertible Promissory Note [Member] | Original Conversion Price [Member] |  |  |  |
Fair Value Assumptions - Convertible Promissory Note [Abstract] |  |  |  |
Measurement input |  | 1.2375 |  | 1.2375
Convertible Promissory Note [Member] | Expected Term [Member] |  |  |  |
Fair Value Assumptions - Convertible Promissory Note [Abstract] |  |  |  |
Measurement input |  | 0.05 |  | 0.55
Convertible Promissory Note [Member] | Volatility [Member] |  |  |  |
Fair Value Assumptions - Convertible Promissory Note [Abstract] |  |  |  |
Measurement input |  | 0.631 |  | 0.7513
Convertible Promissory Note [Member] | Market yield [Member] |  |  |  |
Fair Value Assumptions - Convertible Promissory Note [Abstract] |  |  |  |
Measurement input |  | 0.0963 |  | 0.1802
Convertible Promissory Note [Member] | Risk Free Rate [Member] |  |  |  |
Fair Value Assumptions - Convertible Promissory Note [Abstract] |  |  |  |
Measurement input |  | 0.0112 |  | 0.0469
Convertible Promissory Note [Member] | Period One [Member] | Minimum [Member] |  |  |  |
Convertible Promissory Note [Abstract] |  |  |  |
Aggregate outstanding principal amount |  | $ 30,000,000 |  |
Convertible Promissory Note [Member] | Period One [Member] | Maximum [Member] |  |  |  |
Convertible Promissory Note [Abstract] |  |  |  |
Percentage of issuance cost on principal amount |  | 10.00% |  |
Convertible Promissory Note [Member] | Period Two [Member] | Maximum [Member] |  |  |  |
Convertible Promissory Note [Abstract] |  |  |  |
Percentage of issuance cost on principal amount |  | 20.00% |  |
Aggregate outstanding principal amount |  | $ 30,000,000 |  |

X
- Definition A convertible promissory note is a legal document that is a type of debt instrument that can be converted into equity for a business. A convertible promissory note will typically have a fixed interest rate and a maturity date, but the holder has the option to convert it into shares at any time before its due date. + References No definition available. + Details
Name: | cenn_ConvertiblePromissoryNotesIssued
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of interest rate accrued. + References No definition available. + Details
Name: | cenn_DebtInstrumentAccrueInterestRate
Namespace Prefix: | cenn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage on issuance cost on par value of principal amount. + References No definition available. + Details
Name: | cenn_DebtInstrumentIssuedPercentageOnPrincipalAmount
Namespace Prefix: | cenn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of mandatory default amount conversion price on volume weighted average price. + References No definition available. + Details
Name: | cenn_DebtInstrumentMandatoryDefaultAmountConversionPricePercentage
Namespace Prefix: | cenn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period for volume weighted average price, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | cenn_DebtInstrumentPeriodForVolumeWeightedAveragePrice
Namespace Prefix: | cenn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | cenn_FairValueAssumptionsConvertiblePromissoryNoteAbstract
Namespace Prefix: | cenn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value is a rational and unbiased estimate of the potential market price of a good, service, or asset. The derivation takes into account such objective factors as the costs associated with production or replacement, market conditions and matters of supply and demand. + References No definition available. + Details
Name: | cenn_FairValueChangeRecognized
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Multiplier applied to principal amount subject to the mandatory redemption, plus accrued but unpaid interest, plus liquidated damages, if any, and any other amounts. + References No definition available. + Details
Name: | cenn_MandatoryRedemptionAmountMultiplier
Namespace Prefix: | cenn_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period considered for commencing after occurrence of any event of default, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | cenn_PeriodConsideredAfterOccurrenceOfAnyEventOfDefault
Namespace Prefix: | cenn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for redemption of convertible promissory notes. + References No definition available. + Details
Name: | cenn_RedemptionOfConvertiblePromissoryNotes
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ConvertibleLongtermNotesPayableCurrentAndNoncurrentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ConvertibleNotesPayableCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References 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 -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//1943274/2147479853/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Price of the entity's common stock which would be required to be attained for the conversion feature embedded in the debt instrument to become effective. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleStockPriceTrigger
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: 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 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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -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 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the debt instrument was issued, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B + Details
Name: | us-gaap_DebtInstrumentIssuanceDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_NotesPayableAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References 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 + Details
Name: | us-gaap_ProceedsFromConvertibleDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_ConvertibleNotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputConversionPriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |