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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.

No definition available.

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Amount of paid in capital of the company as of the balance sheet date.

No definition available.

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Period Type:	instant

Represents the percentage of equity interest transferred.

No definition available.

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Data Type:	dtr-types:percentItemType
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The amount of remaining paid in capital that is to be contributed.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Amount of total capital as defined by regulatory framework.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
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-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

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Data Type:	dtr-types:percentItemType
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

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Data Type:	dtr-types:percentItemType
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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-5A

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Description of the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, that could require the reporting entity to provide financial support (for example, liquidity arrangements and obligations to purchase assets) to the Variable Interest Entity (VIE), including events or circumstances that could expose the reporting entity to a loss.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	na
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Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=rcon_GanSuBhdEnvironmentalTechnologyCoLtdMember
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Name:	srt_OwnershipAxis=rcon_BeijingBhdPetroleumTechnologyCoLtdMember
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Data Type:	na
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Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=rcon_QingHaiBHDNewEnergyTechnologyCoLtdMember
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Data Type:	na
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Name:	srt_ConsolidatedEntitiesAxis=rcon_BeijingBhdPetroleumTechnologyCoLtdMember
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Name:	srt_ConsolidatedEntitiesAxis=rcon_GanSuBhdEnvironmentalTechnologyCoLtdMember
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Name:	srt_OwnershipAxis=rcon_NanjingReconTechnologyCoLtdMember
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