Other Non-Current Assets (Details) - Schedule of estimated amortization expenses of lease advance payments	Mar. 31, 2022 USD ($)
Schedule of estimated amortization expenses of lease advance payments [Abstract]
2024	$ 2,111,753
2025	2,111,753
2026	2,111,753
2027	$ 2,124,861

Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee after the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	cga_FutureMinimumSubleaseRentalSaleLeasebackTransactionsDueInRollingAfterYearFive
Namespace Prefix:	cga_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant