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v2.4.1.9

Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities: |  |  |
Net income from continuing operations | $ 32,611 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | $ 10,967 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | $ 16,229 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Adjustments to reconcile net income from continuing operations to net cash provided by continuing operations: |  |  |
Depreciation and amortization | 6,156 us-gaap_DepreciationDepletionAndAmortization | 5,042 us-gaap_DepreciationDepletionAndAmortization | 3,644 us-gaap_DepreciationDepletionAndAmortization
Loss on disposal of assets | 0 us-gaap_GainLossOnDispositionOfAssets | 275 us-gaap_GainLossOnDispositionOfAssets | 0 us-gaap_GainLossOnDispositionOfAssets
Deferred tax expense (benefit) | 492 us-gaap_DeferredIncomeTaxesAndTaxCredits | (6,118)us-gaap_DeferredIncomeTaxesAndTaxCredits | 1,065 us-gaap_DeferredIncomeTaxesAndTaxCredits
Stock-based compensation | 2,399 us-gaap_ShareBasedCompensation | 2,587 us-gaap_ShareBasedCompensation | 3,726 us-gaap_ShareBasedCompensation
Changes in assets and liabilities: |  |  |
Accounts receivable, net | (4,660)us-gaap_IncreaseDecreaseInAccountsReceivable | (39)us-gaap_IncreaseDecreaseInAccountsReceivable | 4,530 us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories | (8,222)us-gaap_IncreaseDecreaseInInventories | (6,492)us-gaap_IncreaseDecreaseInInventories | (2,641)us-gaap_IncreaseDecreaseInInventories
Foreign sales tax receivable | (112)vdsi_IncreaseDecreaseInValueAddedTaxReceivable | (135)vdsi_IncreaseDecreaseInValueAddedTaxReceivable | 264 vdsi_IncreaseDecreaseInValueAddedTaxReceivable
Other current assets | 1,150 us-gaap_IncreaseDecreaseInOtherCurrentAssets | (2,865)us-gaap_IncreaseDecreaseInOtherCurrentAssets | 77 us-gaap_IncreaseDecreaseInOtherCurrentAssets
Accounts payable | 4,531 us-gaap_IncreaseDecreaseInAccountsPayable | (1,460)us-gaap_IncreaseDecreaseInAccountsPayable | 407 us-gaap_IncreaseDecreaseInAccountsPayable
Income taxes payable | (2,063)us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | 3,641 us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | (1,589)us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Accrued expenses | 3,344 us-gaap_IncreaseDecreaseInAccruedLiabilities | 565 us-gaap_IncreaseDecreaseInAccruedLiabilities | (207)us-gaap_IncreaseDecreaseInAccruedLiabilities
Current deferred compensation | 691 us-gaap_IncreaseDecreaseInDeferredCompensation | (2,424)us-gaap_IncreaseDecreaseInDeferredCompensation | (1,933)us-gaap_IncreaseDecreaseInDeferredCompensation
Deferred revenue | 2,437 us-gaap_IncreaseDecreaseInDeferredRevenue | 6,787 us-gaap_IncreaseDecreaseInDeferredRevenue | (537)us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash provided by operating activities of continuing operations | 38,754 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 10,331 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 23,035 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities of continuing operations: |  |  |
Purchase of short term investments | (94,856)us-gaap_PaymentsToAcquireShortTermInvestments | 0 us-gaap_PaymentsToAcquireShortTermInvestments | 0 us-gaap_PaymentsToAcquireShortTermInvestments
Maturities of short term investments | 29,916 us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments | 0 us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments | 0 us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments
Purchase of Cronto | 0 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (19,495)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | 0 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Additions to property and equipment | (1,453)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (944)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (1,337)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Additions to intangible assets | (112)us-gaap_PaymentsToAcquireIntangibleAssets | (294)us-gaap_PaymentsToAcquireIntangibleAssets | (326)us-gaap_PaymentsToAcquireIntangibleAssets
Other assets | (1,295)us-gaap_PaymentsForProceedsFromOtherInvestingActivities | 267 us-gaap_PaymentsForProceedsFromOtherInvestingActivities | 117 us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Net cash used in investing activities of continuing operations | (67,800)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (20,466)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (1,546)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities of continuing operations: |  |  |
Proceeds from exercise of stock options, net | 51 us-gaap_ProceedsFromStockOptionsExercised | 114 us-gaap_ProceedsFromStockOptionsExercised | 441 us-gaap_ProceedsFromStockOptionsExercised
Tax payments for restricted stock issuances | (123)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | (998)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | 0 us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Tax benefit of stock-based compensation | 253 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 3,318 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 0 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash provided by financing activities of continuing operations | 181 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 2,434 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 441 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Cash flows from discontinued operations: |  |  |
Net cash provided by (used in) operating activities of discontinued operations | 2,864 us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations | (306)us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations | (974)us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
Net cash provided by (used in) discontinued operations | 2,864 us-gaap_NetCashProvidedByUsedInDiscontinuedOperations | (306)us-gaap_NetCashProvidedByUsedInDiscontinuedOperations | (974)us-gaap_NetCashProvidedByUsedInDiscontinuedOperations
Effect of exchange rate changes on cash | (165)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents | 145 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents | 1,015 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Net increase (decrease) in cash | (26,166)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (7,862)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 21,972 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and equivalents, beginning of year | 98,607 us-gaap_CashAndCashEquivalentsAtCarryingValue | 106,469 us-gaap_CashAndCashEquivalentsAtCarryingValue | 84,497 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and equivalents, end of year | 72,441 us-gaap_CashAndCashEquivalentsAtCarryingValue | 98,607 us-gaap_CashAndCashEquivalentsAtCarryingValue | 106,469 us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental cash flow disclosures: |  |  |
Cash paid for income taxes | 6,109 us-gaap_IncomeTaxesPaidNet | 3,121 us-gaap_IncomeTaxesPaidNet | 6,005 us-gaap_IncomeTaxesPaidNet
Cash paid for interest | $ 0 us-gaap_InterestPaid | $ 0 us-gaap_InterestPaid | $ 0 us-gaap_InterestPaid

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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Foreign sales tax receivable. + References No definition available. + Details
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