Business Combinations (Details 1) - Variable Interest Entities [Member]	Jun. 30, 2016 USD ($)
Business Acquisition [Line Items]
Cash	$ 5,568,500
Convertible notes	6,671,769
Derivative liability	144,818
Total	$ 12,385,087

Business combination recognized identifiable assets acquired and liabilities assumed cash.

No definition available.

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- Definition

Business combination recognized identifiable assets acquired and liabilities assumed convertible notes.

+ References

No definition available.

+ Details

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Namespace Prefix:	cga_
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Period Type:	instant

- Definition

Business combination recognized identifiable assets acquired and liabilities assumed derivative liability.

+ References

No definition available.

+ Details

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Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Business combination recognized identifiable assets acquired and liabilities assumed total.

+ References

No definition available.

+ Details

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Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Details

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