Number of warrants or rights issued.

No definition available.

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

- Definition

The term of Consulting Agreement.

+ References

No definition available.

+ Details

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

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

- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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

- Details

Name:	us-gaap_StatementClassOfStockAxis=rcon_PreFundedWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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SUBSEQUENT EVENTS (Details) - USD ($)	May 07, 2022	Jan. 05, 2022	Jun. 14, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 26, 2020	May 21, 2020
Subsequent Event [Line Items]
Number of warrants to purchase ordinary shares				29,520,000	911,112	1,680,000
Subsequent event
Subsequent Event [Line Items]
Gross proceeds from warrants exercises	$ 14,700
Subsequent event \| Consulting agreement
Subsequent Event [Line Items]
Term of investment and financial advisor period		1 year
Pre-funded warrants
Subsequent Event [Line Items]
Number of warrants issued			2,800,000
Number of warrants to purchase ordinary shares			8,814,102
Pre-funded warrants \| Subsequent event
Subsequent Event [Line Items]
Number of warrants to purchase ordinary shares	1,470,000
Class A ordinary shares
Subsequent Event [Line Items]
Number of warrants to purchase ordinary shares			6,014,102			1,680,000	911,112
Class A ordinary shares \| Subsequent event \| Consulting agreement
Subsequent Event [Line Items]
Number of shares issued		1,050,000