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CONDENSED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Statement of Cash Flows [Abstract]
Financing lease assets termination	$ 95,845	$ 45,436

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- Definition

Financing Lease Assets Termination

+ References

No definition available.

+ Details

Name:	rei_FinancingLeaseAssetsTermination
Namespace Prefix:	rei_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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