10-K Filing

AeroVironment Inc CIK: 1368622 FY 2016

Filing Information

Form Type	10-K
Accession Number	`0001558370-16-006514`
Period End Date	20160430
Filing Date	20160629
Fiscal Year	2016
Fiscal Period	FY
XBRL Instance	avav-20160430.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 82 Income Statement 103 Cash Flow Statement 132 Stockholders Equity 37 Comprehensive Income 20

Balance Sheet 82 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable, allowance for doubtful accounts (in dollars)	`AllowanceForDoubtfulAccountsReceivableCurrent`	$606.00K	USD	Point-in-time
Accounts receivable, allowance for doubtful accounts (in dollars)	`AllowanceForDoubtfulAccountsReceivableCurrent`	$262.00K	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Preferred stock, Authorized shares	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, Authorized shares	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$143.41M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$75.33M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$124.29M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$126.97M	USD	Point-in-time
Preferred stock, issued shares	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Short-term investments	`ShortTermInvestments`	$103.40M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$85.38M	USD	Point-in-time
Preferred stock, issued shares	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Accounts receivable, net of allowance for doubtful accounts of $262 at April 30, 2016 and $606 at April 30, 2015	`AccountsReceivableNetCurrent`	$56.05M	USD	Point-in-time
Preferred stock, outstanding shares	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, outstanding shares	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Accounts receivable, net of allowance for doubtful accounts of $262 at April 30, 2016 and $606 at April 30, 2015	`AccountsReceivableNetCurrent`	$33.61M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Unbilled receivables and retentions	`UnbilledContractsReceivableAndRetentionsCurrent`	$17.36M	USD	Point-in-time
Unbilled receivables and retentions	`UnbilledContractsReceivableAndRetentionsCurrent`	$18.90M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Common stock, Authorized shares	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Inventories, net	`InventoryNet`	$37.49M	USD	Point-in-time
Inventories, net	`InventoryNet`	$39.41M	USD	Point-in-time
Common stock, Authorized shares	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, Issued shares	`CommonStockSharesIssued`	23.36M	shares	Point-in-time
Deferred income taxes	`DeferredTaxAssetsLiabilitiesNetCurrent`	$5.26M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsLiabilitiesNetCurrent`	$5.43M	USD	Point-in-time
Common stock, Issued shares	`CommonStockSharesIssued`	23.31M	shares	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$4.15M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$4.60M	USD	Point-in-time
Common stock, outstanding shares	`CommonStockSharesOutstanding`	23.36M	shares	Point-in-time
Common stock, outstanding shares	`CommonStockSharesOutstanding`	23.31M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$349.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$329.03M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$46.77M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$33.86M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$13.50M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$16.76M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsLiabilitiesNetNoncurrent`	$7.43M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsLiabilitiesNetNoncurrent`	$9.32M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$741.00K	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$750.00K	USD	Point-in-time
Total assets	`Assets`	$397.47M	USD	Point-in-time
Total assets	`Assets`	$410.39M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$17.71M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$19.24M	USD	Point-in-time
Wages and related accruals	`EmployeeRelatedLiabilitiesCurrent`	$13.39M	USD	Point-in-time
Wages and related accruals	`EmployeeRelatedLiabilitiesCurrent`	$13.97M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$692.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$943.00K	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$2.54M	USD	Point-in-time
Customer advances	`CustomerAdvancesCurrent`	$4.24M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$11.17M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$9.17M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$46.34M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$46.73M	USD	Point-in-time
Deferred rent	`DeferredRentCreditNoncurrent`	$1.71M	USD	Point-in-time
Deferred rent	`DeferredRentCreditNoncurrent`	$1.38M	USD	Point-in-time
Capital lease obligations - net of current portion	`CapitalLeaseObligationsNoncurrent`	$449.00K	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$184.00K	USD	Point-in-time
Liability for uncertain tax positions	`LiabilityForUncertainTaxPositionsNoncurrent`	$441.00K	USD	Point-in-time
Liability for uncertain tax positions	`LiabilityForUncertainTaxPositionsNoncurrent`	$439.00K	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $0.0001 par value: Authorized shares - 10,000,000; none issued or outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.0001 par value: Authorized shares - 10,000,000; none issued or outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.0001 par value: Authorized shares100,000,000 Issued and outstanding shares23,359,925 shares at April 30, 2016 and 23,314,640 at April 30, 2015	`CommonStockValue`	$2.00K	USD	Point-in-time
Common stock, $0.0001 par value: Authorized shares100,000,000 Issued and outstanding shares23,359,925 shares at April 30, 2016 and 23,314,640 at April 30, 2015	`CommonStockValue`	$2.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$154.27M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$148.29M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-201.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.36M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$201.97M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$207.19M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$342.47M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$361.26M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$315.19M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$348.91M	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$410.39M	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$397.47M	USD	Point-in-time

Income Statement 103 line items

Line Item	Tag	Value	Unit	Period
Product sales	`SalesRevenueGoodsNet`	$205.03M	USD	Annual
Product sales	`SalesRevenueGoodsNet`	$189.48M	USD	Annual
Product sales	`SalesRevenueGoodsNet`	$195.00M	USD	Annual
Contract services	`SalesRevenueServicesNet`	$56.71M	USD	Annual
Contract services	`SalesRevenueServicesNet`	$74.62M	USD	Annual
Contract services	`SalesRevenueServicesNet`	$54.37M	USD	Annual
Total revenue	`Revenues`	$68.40M	USD	1 Quarter
Total revenue	`Revenues`	$47.05M	USD	1 Quarter
Total revenue	`Revenues`	$84.76M	USD	1 Quarter
Total revenue	`Revenues`	$86.47M	USD	1 Quarter
Total revenue	`Revenues`	$264.10M	USD	Annual
Total revenue	`Revenues`	$251.70M	USD	Annual
Total revenue	`Revenues`	$52.66M	USD	1 Quarter
Total revenue	`Revenues`	$259.40M	USD	Annual
Total revenue	`Revenues`	$51.87M	USD	1 Quarter
Total revenue	`Revenues`	$67.56M	USD	1 Quarter
Total revenue	`Revenues`	$64.73M	USD	1 Quarter
Product sales	`CostOfGoodsSold`	$118.83M	USD	Annual
Product sales	`CostOfGoodsSold`	$119.14M	USD	Annual
Product sales	`CostOfGoodsSold`	$105.99M	USD	Annual
Contract services	`CostOfServices`	$36.30M	USD	Annual
Contract services	`CostOfServices`	$46.01M	USD	Annual
Contract services	`CostOfServices`	$38.95M	USD	Annual
Total cost of sales	`CostOfRevenue`	$152.00M	USD	Annual
Total cost of sales	`CostOfRevenue`	$155.13M	USD	Annual
Total cost of sales	`CostOfRevenue`	$158.09M	USD	Annual
Product sales	`SalesGrossProfit`	$86.19M	USD	Annual
Product sales	`SalesGrossProfit`	$75.86M	USD	Annual
Product sales	`SalesGrossProfit`	$83.49M	USD	Annual
Contract services	`ServicesGrossProfit`	$18.07M	USD	Annual
Contract services	`ServicesGrossProfit`	$28.61M	USD	Annual
Contract services	`ServicesGrossProfit`	$17.75M	USD	Annual
Total gross margin	`GrossProfit`	$93.61M	USD	Annual
Total gross margin	`GrossProfit`	$26.62M	USD	1 Quarter
Total gross margin	`GrossProfit`	$37.92M	USD	1 Quarter
Total gross margin	`GrossProfit`	$17.87M	USD	1 Quarter
Total gross margin	`GrossProfit`	$16.02M	USD	1 Quarter
Total gross margin	`GrossProfit`	$26.99M	USD	1 Quarter
Total gross margin	`GrossProfit`	$45.35M	USD	1 Quarter
Total gross margin	`GrossProfit`	$31.53M	USD	1 Quarter
Total gross margin	`GrossProfit`	$14.05M	USD	1 Quarter
Total gross margin	`GrossProfit`	$112.10M	USD	Annual
Total gross margin	`GrossProfit`	$104.27M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$60.08M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$55.68M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$55.76M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$46.49M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$25.52M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$42.29M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$2.01M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$12.42M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$9.73M	USD	Annual
Interest income, net	`InvestmentIncomeInterest`	$882.00K	USD	Annual
Interest income, net	`InvestmentIncomeInterest`	$855.00K	USD	Annual
Interest income, net	`InvestmentIncomeInterest`	$1.03M	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$1.62M	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$-2.70M	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$-1.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$8.07M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$14.90M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.89M	USD	Annual
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$-1.00M	USD	Annual
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$-898.00K	USD	Annual
(Benefit) provision for income taxes	`IncomeTaxExpenseBenefit`	$1.18M	USD	Annual
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$5.36M	USD	1 Quarter
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$4.42M	USD	1 Quarter
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-3.61M	USD	1 Quarter
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$6.16M	USD	1 Quarter
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.90M	USD	Annual
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$8.97M	USD	Annual
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$13.72M	USD	Annual
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$7.08M	USD	1 Quarter
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.33M	USD	1 Quarter
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-6.98M	USD	1 Quarter
Net Income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-2.90M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.10	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.16	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.27	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.23	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.13	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.31	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.30	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.39	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.19	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.13	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.61	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.10	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.31	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.23	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.13	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.19	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.16	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.60	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.30	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.27	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.39	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.13	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	22.87M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	22.35M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	22.94M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	22.72M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	23.15M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	23.15M	shares	Annual

Cash Flow Statement 132 line items

Line Item	Tag	Value	Unit	Period
Unrealized change in fair value on long-term investments recorded in other comprehensive income loss, net of tax expenses (benefit)	`AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss`	$730.00K	USD	Annual
Unrealized change in fair value on long-term investments recorded in other comprehensive income loss, net of tax expenses (benefit)	`AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss`	$-295.00K	USD	Annual
Unrealized change in fair value on long-term investments recorded in other comprehensive income loss, net of tax expenses (benefit)	`AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss`	$-18.00K	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$5.36M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$4.42M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-3.61M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$6.16M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.90M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$8.97M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$13.72M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$7.08M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.33M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-6.98M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-2.90M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$9.15M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$6.07M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$8.37M	USD	Annual
Loss from equity method investments	`IncomeLossFromEquityMethodInvestments`	$-30.00K	USD	Annual
Loss from equity method investments	`IncomeLossFromEquityMethodInvestments`	$-240.00K	USD	Annual
Loss from equity method investments	`IncomeLossFromEquityMethodInvestments`	$-138.00K	USD	Annual
Impairment of available-for-sale securities	`OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet`	$2.19M	USD	Annual
Impairment of long-lived assets	`AssetImpairmentCharges`	$438.00K	USD	Annual
Impairment of long-lived assets	`AssetImpairmentCharges`	$3.32M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$-6.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$-106.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$-178.00K	USD	Annual
Losses on foreign currency transactions	`ForeignCurrencyTransactionGainLossUnrealized`	$-21.00K	USD	Annual
Losses on foreign currency transactions	`ForeignCurrencyTransactionGainLossUnrealized`	$-580.00K	USD	Annual
Losses on foreign currency transactions	`ForeignCurrencyTransactionGainLossUnrealized`	$-63.00K	USD	Annual
Loss (gain) on sale of equity securities	`AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments`	$-219.00K	USD	Annual
Loss (gain) on sale of equity securities	`AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments`	$-209.00K	USD	Annual
Loss (gain) on sale of equity securities	`AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments`	$4.00K	USD	Annual
Deferred income taxes	`DeferredIncomeTaxNoncashExpenseBenefit`	$-3.11M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxNoncashExpenseBenefit`	$-3.38M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxNoncashExpenseBenefit`	$-2.91M	USD	Annual
Change in fair value of conversion feature of convertible bonds	`ChangeInFairValueOfConversionFeatureOfConvertibleBonds`	$-1.77M	USD	Annual
Change in fair value of conversion feature of convertible bonds	`ChangeInFairValueOfConversionFeatureOfConvertibleBonds`	$-73.00K	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.77M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.62M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$4.56M	USD	Annual
Tax benefit from exercise of stock options	`DeferredTaxExpenseFromStockOptionsExercised`	$161.00K	USD	Annual
Tax benefit from exercise of stock options	`DeferredTaxExpenseFromStockOptionsExercised`	$52.00K	USD	Annual
Tax benefit from exercise of stock options	`DeferredTaxExpenseFromStockOptionsExercised`	$2.31M	USD	Annual
Excess tax benefit from stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$648.00K	USD	Annual
Excess tax benefit from stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$39.00K	USD	Annual
Excess tax benefit from stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$162.00K	USD	Annual
(Gain) loss on disposition of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-3.66M	USD	Annual
(Gain) loss on disposition of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$22.00K	USD	Annual
Amortization of held-to-maturity investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-5.04M	USD	Annual
Amortization of held-to-maturity investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-3.88M	USD	Annual
Amortization of held-to-maturity investments	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-4.53M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$1.76M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$11.96M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$22.26M	USD	Annual
Unbilled receivables and retentions	`IncreaseDecreaseInUnbilledContractsReceivableAndRetentions`	$-375.00K	USD	Annual
Unbilled receivables and retentions	`IncreaseDecreaseInUnbilledContractsReceivableAndRetentions`	$1.54M	USD	Annual
Unbilled receivables and retentions	`IncreaseDecreaseInUnbilledContractsReceivableAndRetentions`	$6.43M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-11.29M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-1.93M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-11.86M	USD	Annual
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-6.58M	USD	Annual
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-5.19M	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-517.00K	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-157.00K	USD	Annual
Prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$339.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.71M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$5.34M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.24M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$1.52M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-1.04M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$3.72M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$34.01M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$39.41M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$551.00K	USD	Annual
Acquisition of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$6.83M	USD	Annual
Acquisition of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.28M	USD	Annual
Acquisition of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$7.14M	USD	Annual
Equity method investment	`PaymentsToAcquireEquityMethodInvestments`	$295.00K	USD	Annual
Equity method investment	`PaymentsToAcquireEquityMethodInvestments`	$105.00K	USD	Annual
Equity method investment	`PaymentsToAcquireEquityMethodInvestments`	$395.00K	USD	Annual
Redemptions of held-to-maturity investments	`ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities`	$75.02M	USD	Annual
Redemptions of held-to-maturity investments	`ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities`	$69.39M	USD	Annual
Redemptions of held-to-maturity investments	`ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities`	$84.43M	USD	Annual
Purchases of held-to-maturity investments	`PaymentsToAcquireHeldToMaturitySecurities`	$97.46M	USD	Annual
Purchases of held-to-maturity investments	`PaymentsToAcquireHeldToMaturitySecurities`	$94.95M	USD	Annual
Purchases of held-to-maturity investments	`PaymentsToAcquireHeldToMaturitySecurities`	$56.95M	USD	Annual
Acquisitions of intangible assets	`PaymentsToAcquireIntangibleAssets`	$750.00K	USD	Annual
Acquisitions of intangible assets	`PaymentsToAcquireIntangibleAssets`	$150.00K	USD	Annual
Proceeds from the sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$80.00K	USD	Annual
Sales of available-for-sale investments	`ProceedsFromSaleOfAvailableForSaleSecurities`	$987.00K	USD	Annual
Sales of available-for-sale investments	`ProceedsFromSaleOfAvailableForSaleSecurities`	$360.00K	USD	Annual
Sales of available-for-sale investments	`ProceedsFromSaleOfAvailableForSaleSecurities`	$10.08M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$10.44M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-23.82M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-16.58M	USD	Annual
Excess tax benefit from stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$648.00K	USD	Annual
Excess tax benefit from stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$162.00K	USD	Annual
Excess tax benefit from stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$39.00K	USD	Annual
Principal payments of capital lease obligations	`RepaymentsOfLongTermCapitalLeaseObligations`	$472.00K	USD	Annual
Purchase and retirement of common stock	`PaymentsForRepurchaseOfCommonStock`	$3.76M	USD	Annual
Tax withholding payment related to net settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$36.00K	USD	Annual
Tax withholding payment related to net settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$29.00K	USD	Annual
Tax withholding payment related to net settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$163.00K	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$1.12M	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$6.71M	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$722.00K	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$7.19M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-3.10M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$848.00K	USD	Annual
Net (decrease) increase in cash and cash equivalents	`NetCashProvidedByUsedInContinuingOperations`	$51.64M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`NetCashProvidedByUsedInContinuingOperations`	$-19.12M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`NetCashProvidedByUsedInContinuingOperations`	$16.44M	USD	Annual
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$143.41M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$75.33M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$124.29M	USD	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$126.97M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$143.41M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$75.33M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$124.29M	USD	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalentsAtCarryingValue`	$126.97M	USD	Point-in-time
Income taxes	`IncomeTaxesPaid`	$2.56M	USD	Annual
Income taxes	`IncomeTaxesPaid`	$700.00K	USD	Annual
Income taxes	`IncomeTaxesPaid`	$1.58M	USD	Annual
Unrealized change in fair value of long-term investments recorded in accumulated other comprehensive income (loss), net of tax expense (benefit) of $18, $(730) and $295 for the fiscal years ended April 30, 2016, April 30, 2015 and April 30, 2014, respectively	`AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax`	$-442.00K	USD	Annual
Unrealized change in fair value of long-term investments recorded in accumulated other comprehensive income (loss), net of tax expense (benefit) of $18, $(730) and $295 for the fiscal years ended April 30, 2016, April 30, 2015 and April 30, 2014, respectively	`AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax`	$1.09M	USD	Annual
Unrealized change in fair value of long-term investments recorded in accumulated other comprehensive income (loss), net of tax expense (benefit) of $18, $(730) and $295 for the fiscal years ended April 30, 2016, April 30, 2015 and April 30, 2014, respectively	`AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax`	$-27.00K	USD	Annual
Reclassification from share based liability compensation to equity	`ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid`	$228.00K	USD	Annual
Forfeiture of vested stock-based compensation	`ForfeitureOfVestedStockBasedCompensation`	$86.00K	USD	Annual
Forfeiture of vested stock-based compensation	`ForfeitureOfVestedStockBasedCompensation`	$23.00K	USD	Annual
Acquisitions of property and equipment financed with capital lease obligations	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$932.00K	USD	Annual
Acquisitions of property and equipment included in accounts payable	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquiredIncludedInAccountsPayable`	$1.17M	USD	Annual
Accrued acquisition of intangible assets	`NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1`	$250.00K	USD	Annual

Stockholders Equity 37 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquity`	$342.47M	USD	Point-in-time
Balance	`StockholdersEquity`	$361.26M	USD	Point-in-time
Balance	`StockholdersEquity`	$315.19M	USD	Point-in-time
Balance	`StockholdersEquity`	$348.91M	USD	Point-in-time
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$5.36M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$4.42M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-3.61M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$6.16M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.90M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$8.97M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$13.72M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$7.08M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.33M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-6.98M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-2.90M	USD	1 Quarter
Unrealized gain (loss) on investments	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$442.00K	USD	Annual
Unrealized gain (loss) on investments	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$-1.09M	USD	Annual
Unrealized gain (loss) on investments	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$27.00K	USD	Annual
Reclassifications out of accumulated other comprehensive loss	`ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax`	$1.13M	USD	Annual
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$722.00K	USD	Annual
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.71M	USD	Annual
Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$1.12M	USD	Annual
Tax withholding payment related to net share settlement of equity awards	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$36.00K	USD	Annual
Tax withholding payment related to net share settlement of equity awards	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$29.00K	USD	Annual
Tax withholding payment related to net share settlement of equity awards	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$163.00K	USD	Annual
Reclassification from share-based liability compensation to equity	`AdjustmentsToAdditionalPaidInCapitalReclassificationFromShareBasedLiabilityCompensationToEquity`	$228.00K	USD	Annual
Tax benefit from stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$191.00K	USD	Annual
Tax benefit from stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$2.95M	USD	Annual
Tax benefit from stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$98.00K	USD	Annual
Purchases of common stock for retirement	`StockRepurchasedAndRetiredDuringPeriodValue`	$-3.76M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.62M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.77M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.56M	USD	Annual
Balance	`StockholdersEquity`	$342.47M	USD	Point-in-time
Balance	`StockholdersEquity`	$361.26M	USD	Point-in-time
Balance	`StockholdersEquity`	$315.19M	USD	Point-in-time
Balance	`StockholdersEquity`	$348.91M	USD	Point-in-time

Comprehensive Income 20 line items

Line Item	Tag	Value	Unit	Period
Unrealized gain (loss) on investments, net of tax portion	`OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent`	$-730.00K	USD	Annual
Unrealized gain (loss) on investments, net of tax portion	`OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent`	$295.00K	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$5.36M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$4.42M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-3.61M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$6.16M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.90M	USD	Annual
Unrealized gain (loss) on investments, net of tax portion	`OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent`	$18.00K	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$8.97M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$13.72M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$7.08M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.33M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-6.98M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-2.90M	USD	1 Quarter
Unrealized gain (loss) on investments, net of tax expense (benefit) of $18, $(730) and $295 for the fiscal years ended April 30, 2016, April 30, 2015 and April 30, 2014, respectively	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$442.00K	USD	Annual
Unrealized gain (loss) on investments, net of tax expense (benefit) of $18, $(730) and $295 for the fiscal years ended April 30, 2016, April 30, 2015 and April 30, 2014, respectively	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$-1.09M	USD	Annual
Unrealized gain (loss) on investments, net of tax expense (benefit) of $18, $(730) and $295 for the fiscal years ended April 30, 2016, April 30, 2015 and April 30, 2014, respectively	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$27.00K	USD	Annual
Total comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$14.16M	USD	Annual
Total comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$8.99M	USD	Annual
Total comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.80M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.