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CONCENTRATIONS AND LITIGIATION (Details Textual) (USD $)
6 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Concentration Risk [Line Items]    
Litigation Settlement, Amount 2,500,000us-gaap_LitigationSettlementAmount  
Supplier Concentration Risk [Member]    
Concentration Risk [Line Items]    
Accounts Payable, Trade, Current 45,141,568us-gaap_AccountsPayableTradeCurrent
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
10,602,120us-gaap_AccountsPayableTradeCurrent
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Vendor 1 [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 19.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ cga_VendorAxis
= cga_Vendor1Member
14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ cga_VendorAxis
= cga_Vendor1Member
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Vendor 2 [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 13.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ cga_VendorAxis
= cga_Vendor2Member
12.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ cga_VendorAxis
= cga_Vendor2Member
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Vendor 3 [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 10.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ cga_VendorAxis
= cga_Vendor3Member
 
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage   10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
Customer Concentration Risk [Member] | Customer 1 [Member] | Sales Revenue, Goods, Net [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 15.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= cga_Customer1Member