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Deferred Government Grants (Tables) | 9 Months Ended
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Jun. 30, 2015
Schedule of Deferred Government Grants [Table Text Block] |
|  |  | September 30, |  |  | June 30, |
|  |  | 2014 |  |  | 2015 |
| Total government grants | $ | 24,437,131 |  | $ | 7,425,099 |
| Less: Current portion |  | (24,437,131 | ) |  | (186,125 | )
| Non-current portion | $ | - |  | $ | 7,238,974 |

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- Definition Schedule of Government Subsidiaries + References No definition available. + Details
Name: | cbak_ScheduleOfDeferredGovernmentGrantsTableTextBlock
Namespace Prefix: | cbak_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration