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Deferred government grant (Tables) | 12 Months Ended
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Dec. 31, 2017
Schedule of Deferred Government Grants [Table Text Block] |
|  | September 30, |  |  | December 31, |  |  | December 31, |
|  | 2016 |  |  | 2016 |  |  | 2017 |
Total government grants | $ | 4,928,830 |  | $ | 4,699,261 |  | $ | 4,864,131 |
Less: Current |  | (197,645 | ) |  | (142,400 | ) |  | (152,003 | )
| $ | 4,731,185 |  | $ | 4,556,861 |  | $ | 4,712,128 |

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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