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Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Mar. 31, 2014
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|---|---|---|
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Contingent consideration | $ 1,184us-gaap_BusinessCombinationContingentConsiderationLiability | $ 2,067us-gaap_BusinessCombinationContingentConsiderationLiability |
| Contingent consideration non-current | 400wstl_BusinessCombinationContingentConsiderationLiabilityNonCurrent | 574wstl_BusinessCombinationContingentConsiderationLiabilityNonCurrent |
| Recurring [Member] | Cash and Cash Equivalents [Member] | ||
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Money market funds |
2,879us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_BalanceSheetLocationAxis = us-gaap_CashAndCashEquivalentsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
117us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_BalanceSheetLocationAxis = us-gaap_CashAndCashEquivalentsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
| Recurring [Member] | Contingent consideration current [Member] | ||
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Contingent consideration |
1,184us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = wstl_ContingentconsiderationcurrentMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
2,067us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = wstl_ContingentconsiderationcurrentMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
| Recurring [Member] | Contingent consideration long-term [Member] | ||
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Contingent consideration non-current |
400wstl_BusinessCombinationContingentConsiderationLiabilityNonCurrent / us-gaap_BalanceSheetLocationAxis = wstl_ContingentConsiderationPayableNetMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
574wstl_BusinessCombinationContingentConsiderationLiabilityNonCurrent / us-gaap_BalanceSheetLocationAxis = wstl_ContingentConsiderationPayableNetMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
| Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash and Cash Equivalents [Member] | ||
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Money market funds |
2,879us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_BalanceSheetLocationAxis = us-gaap_CashAndCashEquivalentsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
117us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_BalanceSheetLocationAxis = us-gaap_CashAndCashEquivalentsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
| Recurring [Member] | Unobservable Inputs (Level 3) [Member] | Contingent consideration current [Member] | ||
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Contingent consideration |
1,184us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = wstl_ContingentconsiderationcurrentMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
2,067us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = wstl_ContingentconsiderationcurrentMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
| Recurring [Member] | Unobservable Inputs (Level 3) [Member] | Contingent consideration long-term [Member] | ||
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Contingent consideration non-current |
$ 400wstl_BusinessCombinationContingentConsiderationLiabilityNonCurrent / us-gaap_BalanceSheetLocationAxis = wstl_ContingentConsiderationPayableNetMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
$ 574wstl_BusinessCombinationContingentConsiderationLiabilityNonCurrent / us-gaap_BalanceSheetLocationAxis = wstl_ContingentConsiderationPayableNetMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
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- Definition
This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. No definition available.
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| X | ||||||||||
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- Definition
Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
BusinessCombinationContingentConsiderationLiabilityNonCurrent No definition available.
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| X | ||||||||||
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- Details
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