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INVENTORIES, NET - Additional Information (Details)	6 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥)
INVENTORIES, NET
Provision For Inventories	$ 3,633	¥ 25,312	¥ 65,380

X

- Definition

Cumulative provision for inventories during the reporting period.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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