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ACCOUNTS RECEIVABLE, NET - Additional Information (Details) | 12 Months Ended
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Jun. 30, 2025 CNY (¥) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 CNY (¥) | Jun. 30, 2023 CNY (¥)
ACCOUNTS RECEIVABLE, NET |  |  |  |
Net recovery of provision for credit losses made for accounts receivable due from third parties |  |  |  | ¥ 8,767,356
Provision for doubtful accounts of accounts receivable due from third parties | ¥ 981,891 | $ 137,066 | ¥ 973,012 |
Percentage of not-collection from our customers | 32.8 | 32.8 |  |
Amount of not-collection from our customers | ¥ 11,750,000 | $ 1,600,000 |  |

X
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable due from third parties. + References No definition available. + Details
Name: | rcon_AccountsReceivableDueFromThirdPartiesCreditLossExpenseReversal
Namespace Prefix: | rcon_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents for amount of not collection from our customers. + References No definition available. + Details
Name: | rcon_AmountOfNotCollectionFromOurCustomers
Namespace Prefix: | rcon_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This elements represents for percentage of not collection of receivables from our customers. + References No definition available. + Details
Name: | rcon_PercentageOfNotCollectionFromOurCustomers
Namespace Prefix: | rcon_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration