Consolidated Statements of Changes in Convertible Preferred Stock and Stockholders' Equity (Deficiency) (Unaudited) (Parentheticals)	12 Months Ended
Dec. 31, 2014 USD ($)
Additional Paid-in Capital [Member]
Issuance costs	$ 2,376

The element that represents the issuance costs related to an initial public offering.

No definition available.

Name:	vrns_InitialPublicOfferingIssuanceCost
Namespace Prefix:	vrns_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration