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Concentrations and Credit Risk (Narrative) (Details) (USD $) | 3 Months Ended
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Dec. 31, 2014
Concentrations And Credit Risk 1 | 10.00%cbak_ConcentrationsAndCreditRiskZeroTwoSixEightNineThreeOneSevenNineTwomWPmHhKTsFP
Concentrations And Credit Risk 2 | 10.00%cbak_ConcentrationsAndCreditRiskZeroTwoSixEightNineThreeOneSevenNinevHQvMJNinenpmlf
Concentrations And Credit Risk 3 | 10.00%cbak_ConcentrationsAndCreditRiskZeroTwoSixEightNineThreeOneSevenNineWXmgXbzEightFiveQRq
Concentrations And Credit Risk 4 | $ 1,700,000 cbak_ConcentrationsAndCreditRiskZeroTwoSixEightNineThreeOneSevenNineOnestyqCnXVLgH
Concentrations And Credit Risk 5 | $ 21,442 cbak_ConcentrationsAndCreditRiskZeroTwoSixEightNineThreeOneSevenNinegmfHgwSRPFourzB

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- Definition Concentrations And Credit Risk 5 + References No definition available. + Details
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- Definition Concentrations And Credit Risk 4 + References No definition available. + Details
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- Definition Concentrations And Credit Risk 1 + References No definition available. + Details
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- Definition Concentrations And Credit Risk 3 + References No definition available. + Details
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