2.4.0.8 Html 73 121 1 true 22 0 false 6 false false R1.htm 000100 - Document - Document and Entity Information Sheet http://ilts.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 010000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) Sheet http://ilts.com/role/CondensedConsolidatedBalanceSheetsUnaudited CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) false false R3.htm 010100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) Sheet http://ilts.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) false false R4.htm 020000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) Sheet http://ilts.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) false false R5.htm 030000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) Sheet http://ilts.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) false false R6.htm 060100 - Disclosure - Description of the Business Sheet http://ilts.com/role/DescriptionOfBusiness Description of the Business false false R7.htm 060200 - Disclosure - Principles of Consolidation Sheet http://ilts.com/role/PrinciplesOfConsolidation Principles of Consolidation false false R8.htm 060300 - Disclosure - Basis of Presentation Sheet http://ilts.com/role/BasisOfPresentation Basis of Presentation false false R9.htm 060400 - Disclosure - Use of Estimates Sheet http://ilts.com/role/UseOfEstimates Use of Estimates false false R10.htm 060500 - Disclosure - Deferred Revenues Sheet http://ilts.com/role/DeferredRevenues Deferred Revenues false false R11.htm 060600 - Disclosure - Warranty Reserves Sheet http://ilts.com/role/WarrantyReserves Warranty Reserves false false R12.htm 060700 - Disclosure - Income Taxes Sheet http://ilts.com/role/IncomeTaxes Income Taxes false false R13.htm 060800 - Disclosure - Segment Information Sheet http://ilts.com/role/SegmentInformation Segment Information false false R14.htm 060900 - Disclosure - Inventories Sheet http://ilts.com/role/Inventories Inventories false false R15.htm 061000 - Disclosure - Equipment, Furniture and Fixtures Sheet http://ilts.com/role/EquipmentFurnitureAndFixtures Equipment, Furniture and Fixtures false false R16.htm 061100 - Disclosure - Net Income per Share Sheet http://ilts.com/role/NetIncomePerShare Net Income per Share false false R17.htm 061200 - Disclosure - Major Customers Sheet http://ilts.com/role/MajorCustomers Major Customers false false R18.htm 061300 - Disclosure - Related Party Transactions Sheet http://ilts.com/role/RelatedPartyTransactions Related Party Transactions false false R19.htm 061400 - Disclosure - Fair Value of Financial Instruments Sheet http://ilts.com/role/FairValueOfFinancialInstruments Fair Value of Financial Instruments false false R20.htm 080600 - Disclosure - Warranty Reserves (Tables) Sheet http://ilts.com/role/WarrantyReservesTables Warranty Reserves (Tables) false false R21.htm 080800 - Disclosure - Segment Information (Tables) Sheet http://ilts.com/role/SegmentInformationTables Segment Information (Tables) false false R22.htm 080900 - Disclosure - Inventories (Tables) Sheet http://ilts.com/role/InventoriesTables Inventories (Tables) false false R23.htm 081000 - Disclosure - Equipment, Furniture and Fixtures (Tables) Sheet http://ilts.com/role/EquipmentFurnitureAndFixturesTables Equipment, Furniture and Fixtures (Tables) false false R24.htm 081200 - Disclosure - Major Customers (Tables) Sheet http://ilts.com/role/MajorCustomersTables Major Customers (Tables) false false R25.htm 090100 - Disclosure - Description of the Business (Details) Sheet http://ilts.com/role/DescriptionOfBusinessDetails Description of the Business (Details) false false R26.htm 090500 - Disclosure - Deferred Revenues (Details) Sheet http://ilts.com/role/DeferredRevenuesDetails Deferred Revenues (Details) false false R27.htm 090600 - Disclosure - Warranty Reserves (Details) Sheet http://ilts.com/role/WarrantyReservesDetails Warranty Reserves (Details) false false R28.htm 090700 - Disclosure - Income Taxes (Details) Sheet http://ilts.com/role/IncomeTaxesDetails Income Taxes (Details) false false R29.htm 090800 - Disclosure - Segment Information (Details) Sheet http://ilts.com/role/SegmentInformationDetails Segment Information (Details) false false R30.htm 090900 - Disclosure - Inventories (Details) Sheet http://ilts.com/role/InventoriesDetails Inventories (Details) false false R31.htm 091000 - Disclosure - Equipment, Furniture and Fixtures (Details) Sheet http://ilts.com/role/EquipmentFurnitureAndFixturesDetails Equipment, Furniture and Fixtures (Details) false false R32.htm 091200 - Disclosure - Major Customers (Details) Sheet http://ilts.com/role/MajorCustomersDetails Major Customers (Details) false false R33.htm 091300 - Disclosure - Related Party Transactions (Details) Sheet http://ilts.com/role/RelatedPartyTransactionsDetails Related Party Transactions (Details) false false All Reports Book All Reports Element us-gaap_AccountsPayableRelatedPartiesCurrent had a mix of decimals attribute values: -3 0. Element us-gaap_AccountsReceivableRelatedPartiesCurrent had a mix of decimals attribute values: -5 0. Element us-gaap_ConcentrationRiskPercentage1 had a mix of decimals attribute values: 1 2. Element us-gaap_DeferredCostsCurrent had a mix of decimals attribute values: -3 0. Element us-gaap_DeferredRevenueCurrent had a mix of decimals attribute values: -6 -3 0. Element us-gaap_InventoryNet had a mix of decimals attribute values: -3 0. Element us-gaap_RevenueFromRelatedParties had a mix of decimals attribute values: -5 0. Process Flow-Through: 010000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) Process Flow-Through: Removing column 'Oct. 31, 2012' Process Flow-Through: Removing column 'Apr. 30, 2012' Process Flow-Through: 010100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) Process Flow-Through: 020000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) Process Flow-Through: 030000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) itsi-20131031.xml itsi-20131031.xsd itsi-20131031_cal.xml itsi-20131031_def.xml itsi-20131031_lab.xml itsi-20131031_pre.xml true true