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ORDINARY SHARES PURCHASE WARRANTS ISSUED TO INVESTORS - Estimated liability (Details)	Dec. 14, 2023 shares	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)
ORDINARY SHARES PURCHASE WARRANTS ISSUED TO INVESTORS
Warrant liability - current		¥ 8,519,880	$ 1,200,000
Number of bought back an aggregate warrant	17,953,269
Post 2024 Reverse Stock Split
ORDINARY SHARES PURCHASE WARRANTS ISSUED TO INVESTORS
Number of bought back an aggregate warrant	997,404

X

- Definition

Amount of warrant liability, classified as current

+ References

No definition available.

+ Details

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Namespace Prefix:	rcon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of warrants repurchased during the period.

+ References

No definition available.

+ Details

Name:	rcon_WarrantsRepurchased
Namespace Prefix:	rcon_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: