Finance and Operating Lease Obligations (Details Narrative) - USD ($)	Dec. 31, 2020	Jul. 31, 2020
Leases [Abstract]
Future minimum lease payments and accrued interest	$ 200,000	$ 100,000

Future minimum lease payments and accrued interest.

No definition available.

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