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Inventories (Narrative) (Details) (USD $)	3 Months Ended
	Dec. 31, 2014
Inventories 1	$ 4,638,420cbak_InventoriesZeroTwoSixEightNineThreeOneSevenNinekFlbTwocxSevenThreeVZeron
Inventories 2	0cbak_InventoriesZeroTwoSixEightNineThreeOneSevenNinepgHdThreeRNineKvDQFour

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