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COMMITMENTS AND CONTINGENCIES (Details Textual)
9 Months Ended 1 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended
Mar. 31, 2015
USD ($)
Mar. 31, 2014
USD ($)
Feb. 29, 2004
Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member]
USD ($)
Feb. 29, 2004
Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member]
CNY
Mar. 31, 2015
Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member]
Jul. 31, 2014
Kingtone Information [Member]
USD ($)
Jul. 31, 2014
Kingtone Information [Member]
CNY
Mar. 31, 2015
Kingtone Information [Member]
Jun. 29, 2014
Kingtone Information [Member]
sqm
Jun. 29, 2014
Kingtone Information [Member]
sqft
Operating Leased Assets [Line Items]                    
Operating Leases, Rent Expense $ 40,347us-gaap_LeaseAndRentalExpense $ 35,758us-gaap_LeaseAndRentalExpense $ 483us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= cga_VillageCommitteeOfDongGaoVillageAndZhenNanZhangDaiVillageMember
2,958us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= cga_VillageCommitteeOfDongGaoVillageAndZhenNanZhangDaiVillageMember
  $ 4,000us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= cga_KingtoneInformationMember
24,480us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= cga_KingtoneInformationMember
     
Land Subject to Ground Leases                 612us-gaap_LandSubjectToGroundLeases
/ us-gaap_LeaseArrangementTypeAxis
= cga_KingtoneInformationMember
6,588us-gaap_LandSubjectToGroundLeases
/ us-gaap_LeaseArrangementTypeAxis
= cga_KingtoneInformationMember
Lease Term         50 years     2 years