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DISCONTINUED OPERATIONS (Schedule of loss from discontinued operations and number of ordinary shares) (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 29, 2017
Statement Line Items [Line Items] |  |  |  |
Loss attributable to owners of the Company from the discontinued operations |  |  | ¥ (23,817) |
Discontinued operation of Double Grow [Member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Loss attributable to owners of the Company from the discontinued operations |  |  |  | ¥ (23,817)
Basic (in shares) |  |  |  | 24,910,916
Diluted (in shares) |  |  |  | 24,910,916

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