XML 114 R64.htm IDEA: XBRL DOCUMENT v2.4.0.6

Deferred Revenue (Narrative) (Details)	12 Months Ended
	Sep. 30, 2012 Y
Deferred Revenue 2	35

X

- Definition

Deferred Revenue 2

+ References

No definition available.

+ Details

Name:	cbak_DeferredRevenueZeroOneZeroSevenSixOneFourSevenEightgGNinenSixKWbFiveqGk
Namespace Prefix:	cbak_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration