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Payables to Former Subsidiaries (Tables) | 6 Months Ended
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Jun. 30, 2018
Schedule of Trade Payable To a Former Subsidiary [Table Text Block] |
|  | December 31, |  |  | June 30, |
|  | 2017 |  |  | 2018 |
BAK Tianjin | $ | 282,682 |  | $ | 241,691 |
BAK Shenzhen |  | 22,020,039 |  |  | 15,479,515 |
| $ | 22,302,721 |  | $ | 15,721,206 |

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- Definition Schedule of Trade Payable To a Former Subsidiary + References No definition available. + Details
Name: | cbak_ScheduleOfTradePayableToAFormerSubsidiaryTableTextBlock
Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration