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Business Combinations (Details) - Schedule of purchase consideration paid - USD ($) | Jun. 10, 2021 | Nov. 30, 2017 | Jan. 01, 2017 | Jun. 30, 2016
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Variable Interest Entities [Member] |  |  |  |
Business Combinations (Details) - Schedule of purchase consideration paid [Line Items] |  |  |  |
Cash |  |  |  | $ 5,568,500
Convertible notes |  |  |  | 6,671,769
Derivative liability |  |  |  | 144,818
Net Gain (Loss) |  |  |  | $ 12,385,087
Zhenbai [Member] |  |  |  |
Business Combinations (Details) - Schedule of purchase consideration paid [Line Items] |  |  |  |
Cash |  | $ 461,330 | $ 1,201,888 |
Interest Payable |  | 83,039 |  |
Convertible notes |  | 1,724,683 | 1,559,350 |
Derivative liability |  | 13,353 | 3,549 |
Total Payback |  | 2,282,406 |  |
Net Gain (Loss) |  | $ (331,995) | $ 2,764,787 |
Xindeguo and Xinyulei’s [Member] |  |  |  |
Business Combinations (Details) - Schedule of purchase consideration paid [Line Items] |  |  |  |
Cash | $ 286,380 |  |  |
Total Payback | 286,380 |  |  |
Net Gain (Loss) | (2,518) |  |  |
Xiangrong’s [Member] |  |  |  |
Business Combinations (Details) - Schedule of purchase consideration paid [Line Items] |  |  |  |
Cash | 3,781,764 |  |  |
Total Payback | 3,781,764 |  |  |
Net Gain (Loss) | $ 511,123 |  |  |

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Balance Type: | debit
Period Type: | instant

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- Definition Business combination recognized identifiable assets acquired and liabilities assumed cash. + References No definition available. + Details
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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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- 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

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- Definition Business combination recognized identifiable assets acquired and liabilities assumed net loss. + References No definition available. + Details
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Namespace Prefix: | cga_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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
Balance Type: | credit
Period Type: | instant

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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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- Details
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