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SEGMENT REPORTING (Details Textual)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Total Revenue from Exported Products, Percentage	14.70%	15.00%	22.00%

X

- Definition

It represents Percentage of revenue generated from exported products.

+ References

No definition available.

+ Details

Name:	cga_TotalRevenueFromExportedProductsPercentage
Namespace Prefix:	cga_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration