BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)	3 Months Ended
Sep. 30, 2014
Amortization of Deferred Assets	$ 10,331,084
Deferred Asset, Amortization Expense, Next Twelve Months	43,238,911
Deferred Asset, Amortization Expense, Year Two	28,891,621
Deferred Asset, Amortization Expense, Year Three	$ 5,507,006
Jinong [Member]
Principle of Consolidation Converted Percentage	100.00%
One Natural Person [Member]
Principle of Consolidation Converted Percentage	100.00%

The amount of amortization of deferred assets recognized during the period.

No definition available.

Name:	cga_AmortizationOfDeferredAssets
Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for deferred assets.

No definition available.

Name:	cga_DeferredAssetAmortizationExpenseNextTwelveMonths
Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for deferred assets.

No definition available.

Name:	cga_DeferredAssetAmortizationExpenseYearThree
Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for deferred assets.

No definition available.

Name:	cga_DeferredAssetAmortizationExpenseYearTwo
Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Principle of consolidation converted percentage during the period.

No definition available.

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