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v3.22.1

RELATED PARTY TRANSACTIONS AND BALANCES - Prepaid expenses (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Jun. 30, 2021 CNY (¥)
Related Party Transaction [Line Items] |  |  |
Prepaid expenses related parties prepaid expenses | ¥ 0 | $ 0 | ¥ 433,000
Founders |  |  |
Related Party Transaction [Line Items] |  |  |
Prepaid expenses related parties prepaid expenses | 0 | 0 | 363,000
Founder Family Member |  |  |
Related Party Transaction [Line Items] |  |  |
Prepaid expenses related parties prepaid expenses | ¥ 0 | $ 0 | ¥ 70,000

X
- Definition The amount of Prepaid expenses related parties prepaid expenses. + References No definition available. + Details
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Namespace Prefix: | rcon_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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: |
Data Type: | na
Balance Type: |
Period Type: |