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INCOME TAX - Additional Information (Details)	6 Months Ended
	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2021 CNY (¥)
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	25.00%	25.00%
Cumulative net operating loss	¥ 85,064,155		$ 13,371,886	¥ 91,400,000
Net operating loss expired	18,800,000	$ 3,000,000.0
Additional NOL incurred by VIEs and VIEs' subsidiaries	¥ 12,500,000	$ 2,000,000.0
Nanjing Recon Technology Co Ltd [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	15.00%	15.00%
Beijing Bhd Petroleum Technology Co Ltd [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	15.00%	15.00%

X

- Definition

Represents the amount of additional NOL incurred by VIEs and VIEs' subsidiaries.

+ References

No definition available.

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- Definition

Represents the amount of net operating loss expired.

+ References

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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