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PURCHASE ADVANCES, NET - Additional Information (Details)	6 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥)
PURCHASE ADVANCES, NET
Provision For Advances on Purchases	$ 6,817	¥ 47,500	¥ 369,972

X

- Definition

The provision for inventory purchase advance.

+ References

No definition available.

+ Details

Name:	rcon_ProvisionForAdvancesOnPurchases
Namespace Prefix:	rcon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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