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v3.23.1

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