XML 82 R63.htm IDEA: XBRL DOCUMENT
v3.22.1

INCOME TAXES, Valuation Allowance (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Valuation Allowance [Roll Forward] |  |  |
Balance at the beginning of the year | $ 19,072,736 | $ 16,969,593 | $ 12,020,484
Additions during the year | 3,213,097 | 1,350,729 | 5,072,637
Expire of NOL | (1,243,653) | 0 | 0
Write-off of employee stock ownership plans deferred tax asset | (4,981,854) | 0 | 0
Change in tax rate | (959,106) | 0 | 0
Company deregistration | (708,266) | 0 | 0
Exchange rate effect | 266,461 | 752,414 | (123,528)
Balance at the end of the year | 14,659,415 | 19,072,736 | $ 16,969,593
Unrecognized uncertain tax positions | 0 | 0 |
Unrecognized liabilities, interest or penalties | 0 | $ 0 |
Hong Kong [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | 976,786 |  |
United States [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | $ 13,357,248 |  |
Percentage of annual taxable income | 80.00% |  |
United States [Member] | 2035 [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | $ 3,740,688 |  |
United States [Member] | 2036 [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | 1,430,246 |  |
PRC [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | 41,251,350 |  |
PRC [Member] | 2022 [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | 7,973,456 |  |
PRC [Member] | 2023 [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | 15,541,874 |  |
PRC [Member] | 2024 [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | 7,556,351 |  |
PRC [Member] | 2025 [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | 3,362,995 |  |
PRC [Member] | 2026 [Member] |  |  |
Valuation Allowance [Roll Forward] |  |  |
Operating loss carryforwards | $ 6,816,673 |  |

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | cenn_DeferredTaxAssetsValuationAllowanceRollForward
Namespace Prefix: | cenn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The operating losses can be carried forward indefinitely subject to a limitation in utilization against annual taxable income. + References No definition available. + Details
Name: | cenn_PercentageOfAnnualTaxableIncome
Namespace Prefix: | cenn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of decrease in the valuation allowance for change in tax rate deferred tax asset. + References No definition available. + Details
Name: | cenn_ValuationAllowanceDeferredTaxAssetChangeInTaxRateAmount
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of decrease in the valuation allowance for entity deregistration deferred tax asset. + References No definition available. + Details
Name: | cenn_ValuationAllowanceDeferredTaxAssetCompanyDeregistrationAmount
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in the valuation allowance for exchange rate effect deferred tax asset. + References No definition available. + Details
Name: | cenn_ValuationAllowanceDeferredTaxAssetExchangeRateEffectAmount
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in the valuation allowance for expire of net operating loss deferred tax asset. + References No definition available. + Details
Name: | cenn_ValuationAllowanceDeferredTaxAssetExpireOfNetOperatingLossAmount
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of decrease in the valuation allowance for write-off of employee stock ownership plans deferred tax asset. + References No definition available. + Details
Name: | cenn_ValuationAllowanceDeferredTaxAssetWriteOffOfEmployeeStockOwnershipPlansAmount
Namespace Prefix: | cenn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_HK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=cenn_TaxYear2035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=cenn_TaxYear2036Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=cenn_TaxYear2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=cenn_TaxYear2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=cenn_TaxYear2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=cenn_TaxYear2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=cenn_TaxYear2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |