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BANK LOANS - Short-term bank loans (Details)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Jun. 30, 2023 CNY (¥)
BANK LOANS
Short-term bank loans	¥ 12,336,285	$ 1,737,529	¥ 12,451,481
Bank of Kunlun
BANK LOANS
Short-term bank loans	827,000	116,481	950,000
Industrial and Commercial Bank of China
BANK LOANS
Short-term bank loans	10,007,639	1,409,546	10,000,000
China Construction Bank
BANK LOANS
Short-term bank loans	¥ 1,501,646	$ 211,502	¥ 1,501,481

X

- Definition

Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(13)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Balance Type:	credit
Period Type:	instant

X

- 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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- Details

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X

- Details

Name:	us-gaap_DebtInstrumentAxis=rcon_LoanFromIndustrialAndCommercialBankOfChinaMember
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Balance Type:
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X

- Details

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