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CONCENTRATIONS AND LITIGIATION (Details Textual) (USD $)
 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Concentration Risk [Line Items]    
Litigation Settlement, Amount 2,500,000us-gaap_LitigationSettlementAmount  
Supplier Concentration Risk [Member]    
Concentration Risk [Line Items]    
Accounts Payable, Trade, Current 9,322,106us-gaap_AccountsPayableTradeCurrent
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember		 21,559,360us-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 17.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ cga_VendorAxis
= cga_Vendor1Member		 21.90%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 12.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ cga_VendorAxis
= cga_Vendor2Member		 17.20%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 11.60%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 28.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember		 10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember