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INCOME TAXES- Additional information (Details) - CNY (¥) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 30, 2008 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate |  | 25.00% | 25.00% | 25.00%
Preferential Tax Rate Applicable Period Description |  | The open tax years for examinations in China are 5 years. |  |
Preferential Tax Rate |  | ¥ 15 |  |
Maximum [Member] |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 33.00% |  |  |
Minimum [Member] |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 25.00% |  |  |
Beijing Origin Seed Limited [Member] |  |  |  |
Preferential Tax Rate |  | ¥ 15 | ¥ 15 | ¥ 15

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