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Income Taxes (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Accrued interest or penalties related to uncertain tax positions	$ 0	$ 0

X

- Definition

Accrued interest or penalty related to uncertain tax positions.

+ References

No definition available.

+ Details

Name:	RNXT_AccruedInterestOrPenaltyRelatedToUncertainTaxPositions
Namespace Prefix:	RNXT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

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