Discontinued Operations - Schedule of Discontinued Operation of Balance Sheet and Operation Statement (Details) (Parenthetical) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Health Technology Solutions, Inc [Member]
Revenue from related party	$ 700,000	$ 700,000

Disposal group including discontinued operation revenue from related party.

No definition available.

Name:	RNVA_DisposalGroupIncludingDiscontinuedOperationRevenueFromRelatedParty
Namespace Prefix:	RNVA_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration