XML 131 R114.htm IDEA: XBRL DOCUMENT
v3.21.1

Warrants (Details 1) - Fair Value, Inputs, Level 3 [Member] - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Balance at the beginning of the year |  |
Warrants issued to institution investors | 17,980,000 |
Warrants issued to placement agent | 1,875,000 |
Warrants redeemed |  |
Fair value change of the issued warrants included in earnings | (2,072,000) |
Balance at end of year | $ 17,783,000 |

X
- References No definition available. + Details
Name: | cbat_BalanceAtBeginningAndEndingOfYear
Namespace Prefix: | cbat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | cbat_FairValueChangeOfIssuedWarrantsIncludedInEarnings
Namespace Prefix: | cbat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | cbat_WarrantsIssuedToInstitutionInvestors
Namespace Prefix: | cbat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | cbat_WarrantsIssuedToPlacementAgents
Namespace Prefix: | cbat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | cbat_WarrantsRedeemed
Namespace Prefix: | cbat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |