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Income Taxes (Details 2) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Mar. 31, 2014
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| Deferred Tax Liability Not Recognized [Line Items] | ||
| Allowance for doubtful accounts | $ 17us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | $ 33us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts |
| Alternative minimum tax credit carryforward | 697us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax | 697us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax |
| Foreign tax credit carryforward | 824us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign | 785us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign |
| Depreciation | 1,025us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment | 940us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment |
| Deferred revenue | 1,227us-gaap_DeferredTaxAssetsDeferredIncome | 950us-gaap_DeferredTaxAssetsDeferredIncome |
| Compensation accruals | 887us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation | 2,323us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation |
| Inventory reserves | 3,492us-gaap_DeferredTaxAssetsInventory | 1,903us-gaap_DeferredTaxAssetsInventory |
| Warranty reserves | 196us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves | 92us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves |
| Net operating loss carryforward | 35,380us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 29,510us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
| Restructuring reserve | 1,048us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges | 0us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges |
| Other | 1,129us-gaap_DeferredTaxAssetsOther | 863us-gaap_DeferredTaxAssetsOther |
| Gross deferred tax assets | 45,922us-gaap_DeferredTaxAssetsGross | 38,096us-gaap_DeferredTaxAssetsGross |
| Valuation allowance | (39,117)us-gaap_DeferredTaxAssetsValuationAllowance | (28,864)us-gaap_DeferredTaxAssetsValuationAllowance |
| Net deferred income tax assets | 6,805us-gaap_DeferredTaxAssetsNet | 9,232us-gaap_DeferredTaxAssetsNet |
| Inventory step-up | 0us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts | (379)us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts |
| Intangibles and goodwill | (6,851)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets | (9,026)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets |
| Net deferred income tax liabilities | (46)us-gaap_DeferredTaxAssetsLiabilitiesNet | (173)us-gaap_DeferredTaxAssetsLiabilitiesNet |
| Deferred income tax assets | 973us-gaap_DeferredTaxAssetsTaxDeferredExpense | 899us-gaap_DeferredTaxAssetsTaxDeferredExpense |
| Deferred income tax liability | $ 1,019us-gaap_DeferredTaxLiabilities | $ 1,072us-gaap_DeferredTaxLiabilities |
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from restructuring reserve. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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