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COMMITMENTS AND CONTINGENCIES (Details Textual) | 9 Months Ended | 1 Months Ended
--- | --- | ---
Mar. 31, 2013 USD ($) | Mar. 31, 2012 USD ($) | Jan. 31, 2008 Xian Techteam Science and Technology Industry Group Co [Member] USD ($) | Jan. 31, 2008 Xian Techteam Science and Technology Industry Group Co [Member] CNY | Feb. 29, 2004 Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member] USD ($) | Feb. 29, 2004 Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member] CNY | Jul. 31, 2012 Kingtone Information [Member] USD ($) | Jul. 31, 2012 Kingtone Information [Member] CNY | Jun. 30, 2012 Kingtone Information [Member]
Operating Leases, Rent Expense | $ 46,822 | $ 81,566 | $ 829 | 5,200 | $ 472 | 2,958 | $ 3,902 | 24,480 |
Rented Lease, Area in Square Meter |  |  |  |  | 47,333 square meters | 47,333 square meters |  |  | 612 square meters
Rented Lease, Area in Square Feet |  |  |  |  | 509,488 square feet | 509,488 square feet |  |  | 6,588 square feet
Lease Term |  |  | 10 years | 10 years | 50 years | 50 years | 2 years | 2 years |

X
- Definition It represents the period in which lease term expires. + References No definition available. + Details
Name: | cga_LeaseTerm
Namespace Prefix: | cga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition It represents rented area measured by square feet. + References No definition available. + Details
Name: | cga_RentedLeaseAreaInSquareFeet
Namespace Prefix: | cga_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition It represents rented lease area measured by square meter. + References No definition available. + Details
Name: | cga_RentedLeaseAreaInSquareMeter
Namespace Prefix: | cga_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration