XML 28 R22.htm IDEA: XBRL DOCUMENT v2.4.0.6

Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Intangible Assets [Abstract]

Schedule of Intangible Assets

		Capitalized Technology				Patents & Trademarks				Other				Total Intangible Assets
Net balance at December 31, 2012		$	4,847			$	1,642			$	18			$	6,507
Additions-Other			—				81				—				81
Net foreign currency translation			1				(1	)			—				—
Amortization expense			(419	)			(17	)			(5	)			(441	)
Net balance at March 31, 2013		$	4,429			$	1,705			$	13			$	6,147

X

- Details

Name:	us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of intangible assets.

+ References

No definition available.

+ Details

Name:	vdsi_ScheduleOfIntangibleAssetsTableTextBlock
Namespace Prefix:	vdsi_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration