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Lease Prepayments, Net (Tables)

12 Months Ended

Sep. 30, 2012

SCHEDULE OF LEASE PREPAYMENTS [Table Text Block]

			2011			2012
	Lease prepayments	$	36,406,288		$	36,977,372
	Accumulated amortization		(3,675,581	)		(4,473,511	)
		$	32,730,707		$	32,503,861

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SCHEDULE OF LEASE PREPAYMENTS

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Namespace Prefix:	cbak_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration