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TAXES PAYABLE (Details Textual) (USD $)
3 Months Ended 6 Months Ended 1 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Jan. 31, 2008
Taxes Payable [Line Items]          
Income Tax Expense (Benefit) $ 1,551,884us-gaap_IncomeTaxExpenseBenefit $ 1,449,890us-gaap_IncomeTaxExpenseBenefit $ 3,555,479us-gaap_IncomeTaxExpenseBenefit $ 4,111,240us-gaap_IncomeTaxExpenseBenefit  
Value Added Tax Rate     13.00%cga_ValueAddedTaxRate    
Effective Income Tax Rate Reconciliation, Percent     21.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations 22.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate  
Enterprise Income Tax [Member]          
Taxes Payable [Line Items]          
New Enterprise Income Tax Rate         25.00%cga_NewEnterpriseIncomeTaxRate
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
Existing Enterprise Income Tax Rate         33.00%cga_ExistingEnterpriseIncomeTaxRate
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
Income Tax Rate Reconciliation Tax Holidays         50.00%cga_IncomeTaxRateReconciliationTaxHolidays
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
High Tech Income Tax Rate         15.00%cga_HighTechIncomeTaxRate
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
Enterprise Income Tax [Member] | Jinong [Member]          
Taxes Payable [Line Items]          
Income Tax Expense (Benefit)     2,462,055us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= cga_JinongMember
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
2,849,293us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= cga_JinongMember
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
 
Enterprise Income Tax [Member] | Gufeng [Member]          
Taxes Payable [Line Items]          
Income Tax Expense (Benefit)     $ 1,093,424us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= cga_GufengMember
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
$ 1,261,947us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= cga_GufengMember
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember
 
Effective Income Tax Rate Reconciliation, Percent     25.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations
/ dei_LegalEntityAxis
= cga_GufengMember
/ cga_TaxStatusAxis
= cga_EnterpriseIncomeTaxMember