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

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

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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

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Balance Type:	na
Period Type:	instant

- Definition

The number of exercisable made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

No definition available.

+ Details

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- Definition

It Represent the value of Warrants Issued And Exercised.

+ References

No definition available.

+ Details

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Namespace Prefix:	vrng_
Data Type:	xbrli:sharesItemType
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- Definition

Expiration date of the warrant.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Line items represent reporting concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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Warrants (Additional Information) (Details) - $ / shares		1 Months Ended
	May. 04, 2015	Oct. 31, 2015	Jun. 21, 2015	Dec. 31, 2015
Warrants [Line Items]
Exercise Price				$ 10.00
Warrant [Member]
Warrants [Line Items]
Exercise Price	$ 10.00
Warrants Issued	537,500
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable In Period	5 years
IPO [Member]
Warrants [Line Items]
Exercise Price			$ 50.60
Warrant outstanding			478,400
Private [Member]
Warrants [Line Items]
Warrant outstanding			842,686
Warrants Expired			Jun. 21, 2015
IDG [Member]
Warrants [Line Items]
Exercise Price		$ 5.00
Warrants Issued		50,000