XML 36 R25.htm IDEA: XBRL DOCUMENT v3.4.0.3

Long-Term Compensation Plan and Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Details of Long-Term Compensation Plan and Stock-Based Compensation Expense

The following table details long-term compensation plan and stock-based compensation expense for the three months ended March 31, 2016 and 2015:

		Three months ended March 31,
			2016				2015
Restricted stock		$	1,547			$	795
Long-term compensation plan			486				364
Total Non-Cash Compensation		$	2,033			$	1,159

X

- References

No definition available.

+ Details

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

X

- Definition

Schedule of compensation cost for share-based payment arrangements allocation of share-based compensation costs.

+ References

No definition available.

+ Details

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