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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $) | 6 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Amortization of Deferred Assets | $ 20,982,516 cga_AmortizationOfDeferredAssets | $ 13,390,648 cga_AmortizationOfDeferredAssets
Deferred Asset, Amortization Expense, Next Twelve Months | 42,727,492 cga_DeferredAssetAmortizationExpenseNextTwelveMonths |
Deferred Asset, Amortization Expense, Year Two | 26,470,125 cga_DeferredAssetAmortizationExpenseYearTwo |
Deferred Asset, Amortization Expense, Year Three | $ 2,870,013 cga_DeferredAssetAmortizationExpenseYearThree |

X
- Definition The amount of amortization of deferred assets recognized during the period. + References No definition available. + Details
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Namespace Prefix: | cga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for deferred assets. + References No definition available. + Details
Name: | cga_DeferredAssetAmortizationExpenseNextTwelveMonths
Namespace Prefix: | cga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for deferred assets. + References No definition available. + Details
Name: | cga_DeferredAssetAmortizationExpenseYearThree
Namespace Prefix: | cga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for deferred assets. + References No definition available. + Details
Name: | cga_DeferredAssetAmortizationExpenseYearTwo
Namespace Prefix: | cga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration