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Capital and Operating Lease Obligations (Details Narrative)	Mar. 31, 2019 USD ($)
Debt Disclosure [Abstract]
Minimum rentals and accrued interest	$ 700,000

X

- Definition

Minimum rentals and accrued interest.

+ References

No definition available.

+ Details

Name:	RNVA_FinanceLeasesFutureMinimumPaymentsInterestIncludedInPayments
Namespace Prefix:	RNVA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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