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Stockholders' Equity - Schedule of Warrant Issued Activity (Details)

v3.7.0.1

Stockholders' Equity - Schedule of Warrant Issued Activity (Details) - Warrant [Member]	6 Months Ended
	Jun. 30, 2017 $ / shares shares
Warrants outstanding, beginning balance \| shares	1,407,647
Warrants issued \| shares	30,784,193
Warrants exchanged for other securities \| shares	(96,185)
Warrants exercised \| shares
Warrants expired \| shares
Warrants outstanding, ending balance \| shares	32,095,655
Weighted average exercise price, warrants outstanding, beginning balance \| $ / shares	$ 11.70
Weighted average exercise price, warrants issued \| $ / shares	0.39
Weighted average exercise price, Warrants exchanged for other securities \| $ / shares	12.46
Weighted average exercise price, Warrants exercised \| $ / shares
Weighted average exercise price, Warrants expired \| $ / shares
Weighted average exercise price, warrants outstanding, ending balance \| $ / shares	$ 0.85

- Definition

Warrants exchanged for other securities.

+ References

No definition available.

+ Details

Name:	RNVA_WarrantsExchangedForOtherSecurities
Namespace Prefix:	RNVA_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Warrants issued

+ References

No definition available.

+ Details

Name:	RNVA_WarrantsIssued
Namespace Prefix:	RNVA_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price, Warrants exchanged for other securities.

+ References

No definition available.

+ Details

Name:	RNVA_WeightedAverageExercisePriceWarrantsExchangedForOtherSecurities
Namespace Prefix:	RNVA_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price, warrants exercised.

+ References

No definition available.

+ Details

Name:	RNVA_WeightedAverageExercisePriceWarrantsExercised
Namespace Prefix:	RNVA_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price, warrants expirred.

+ References

No definition available.

+ Details

Name:	RNVA_WeightedAverageExercisePriceWarrantsExpired
Namespace Prefix:	RNVA_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price, warrants issued

+ References

No definition available.

+ Details

Name:	RNVA_WeightedAverageExercisePriceWarrantsIssued
Namespace Prefix:	RNVA_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of non-option equity instruments exercised by participants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares under non-option equity instrument agreements that were either cancelled or expired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)-(4)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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Namespace Prefix:
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Balance Type:
Period Type:

Stockholders' Equity - Schedule of Warrant Issued Activity (Details) - Warrant [Member]	6 Months Ended
	Jun. 30, 2017 $ / shares shares
Warrants outstanding, beginning balance \| shares	1,407,647
Warrants issued \| shares	30,784,193
Warrants exchanged for other securities \| shares	(96,185)
Warrants exercised \| shares
Warrants expired \| shares
Warrants outstanding, ending balance \| shares	32,095,655
Weighted average exercise price, warrants outstanding, beginning balance \| $ / shares	$ 11.70
Weighted average exercise price, warrants issued \| $ / shares	0.39
Weighted average exercise price, Warrants exchanged for other securities \| $ / shares	12.46
Weighted average exercise price, Warrants exercised \| $ / shares
Weighted average exercise price, Warrants expired \| $ / shares
Weighted average exercise price, warrants outstanding, ending balance \| $ / shares	$ 0.85