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Payables to Former Subsidiaries (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2016
Schedule of Advance From A Former Subsidiary [Table Text Block] |
|  |  | September 30, |  |  | December 31, |
|  |  | 2016 |  |  | 2016 |
| BAK Tianjin | $ | 56,188 |  | $ | 194,774 |
| Shenzhen BAK |  | 4,326,046 |  |  | 2,294,085 |
|  | $ | 4,382,234 |  | $ | 2,488,859 |

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- Definition Schedule of Advance From A Former Subsidiary [Table Text Block] + References No definition available. + Details
Name: | cbak_ScheduleOfAdvanceFromAFormerSubsidiaryTableTextBlock
Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration