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Intangible Assets, net (Narrative) (Details) (USD $)	3 Months Ended
	Dec. 31, 2013
Intangible Assets, Net 1	$ 32,668
Intangible Assets, Net 2	$ 48,782

X

- Definition

Intangible Assets, Net 1

+ References

No definition available.

+ Details

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X

- Definition

Intangible Assets, Net 2

+ References

No definition available.

+ Details

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Namespace Prefix:	cbak_
Data Type:	xbrli:monetaryItemType
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