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Deferred Government Grants (Tables) | 9 Months Ended
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Jun. 30, 2016
Schedule of Deferred Government Grants [Table Text Block] |
|  |  | September 30, |  |  | June 30, |
|  |  | 2015 |  |  | 2016 |
| Total government grants | $ | 7,195,624 |  | $ | 6,721,693 |
| Less: Current portion |  | (181,510 | ) |  | (198,320 | )
| Non-current portion | $ | 7,014,114 |  | $ | 6,523,373 |

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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