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CONSTRUCTION IN PROGRESS - Narratives (Details)	12 Months Ended
	Jun. 30, 2025 USD ($) item	Jun. 30, 2025 CNY (¥) a	Jun. 30, 2025 USD ($) a	Jun. 30, 2024 CNY (¥)
CONSTRUCTION IN PROGRESS
The project area (in acres) | a		50	50
Number of the project's production lines under construction | item	2
Total budget for the project | $	$ 20,000,000
Construction in progress		¥ 12,000,900	$ 1,675,261	¥ 219,132

X

- Definition

The amount of total project budget cost.

+ References

No definition available.

+ Details

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Namespace Prefix:	rcon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

N/A.

+ References

No definition available.

+ Details

Name:	rcon_ConstructionInProgressAbstract
Namespace Prefix:	rcon_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of the project's production lines under the construction.

+ References

No definition available.

+ Details

Name:	rcon_NumberOfProductionLinesUnderConstruction
Namespace Prefix:	rcon_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant