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v2.4.0.8

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

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- 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