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v2.4.0.6

SEGMENT REPORTING (Details Textual) | 12 Months Ended
--- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Total Revenue From Exported Products Percentage | 15.00% | 22.00% |
Total Revenue From Exported Products Percentage Prior To Acquisition |  |  | 1.00%

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

X
- Definition It represents Percentage of revenue generated from exported products prior to acquisitions. + References No definition available. + Details
Name: | cga_TotalRevenueFromExportedProductsPercentagePriorToAcquisition
Namespace Prefix: | cga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration