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Other Short-term Loans (Narrative) (Details) (USD $) | 3 Months Ended
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Dec. 31, 2014
Other Short-term Loans 1 | $ 1,543,968 cbak_OtherShorttermLoansZeroTwoSixEightNineThreeOneSevenNineqGVwnPFqxRDEight
Other Short-term Loans 2 | 0 cbak_OtherShorttermLoansZeroTwoSixEightNineThreeOneSevenNineNineJDTmxwmkDmX

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- Definition Other Short-term Loans 2 + References No definition available. + Details
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Namespace Prefix: | cbak_
Data Type: | xbrli:pureItemType
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- Definition Other Short-term Loans 1 + References No definition available. + Details
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Namespace Prefix: | cbak_
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Balance Type: | na
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