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COMMITMENTS AND CONTINGENCIES (Details Textual)
6 Months Ended 1 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Feb. 29, 2004
Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member]
USD ($)
Feb. 29, 2004
Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member]
CNY
Dec. 31, 2014
Village Committee of Dong Gao Village and Zhen Nan Zhang Dai Village [Member]
Jul. 31, 2014
Kingtone Information [Member]
USD ($)
Jul. 31, 2014
Kingtone Information [Member]
CNY
Dec. 31, 2014
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 $ 14,808us-gaap_LeaseAndRentalExpense $ 16,029us-gaap_LeaseAndRentalExpense $ 480us-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