2.4.0.8090600 - Disclosure - CONTRACTS IN PROCESS (Details)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$c20130430http://www.sec.gov/CIK0000354813instant2013-04-30T00:00:000001-01-01T00:00:00U001Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$c20120430http://www.sec.gov/CIK0000354813instant2012-04-30T00:00:000001-01-01T00:00:00U001Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 2itsi_TotalCostsExceededOrWereLessThanBillingsAbstractitsi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Total costs exceeded or were less than billings [Abstract]2false 3itsi_CostsIncurredAndEstimatedEarningsRecognizedOnUncompletedContractsitsi_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse42950004295USD$falsetruefalse2truefalsefalse63400006340USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of costs incurred and estimated earnings recognized on uncompleted contracts.No definition available.false2Costs incurred and estimated earnings recognized on uncompleted contracts3false 3itsi_BillingsOnUncompletedContractsitsi_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-4295000-4295falsefalsefalse2truefalsefalse-5614000-5614falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of billings on uncompleted contracts.No definition available.false2Billings on uncompleted contracts4false 3itsi_ContractsInProcessitsi_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse00falsefalsefalse2truefalsefalse726000726falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of contracts in process, the difference of costs and earnings on uncompleted contracts and billings on uncompleted contracts.No definition available.true2Total contracts in process5true 2itsi_BalanceSheetLocationOfContractsInProcessAbstractitsi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Balance sheet location of contracts in process [Abstract]6false 3itsi_CostsAndEstimatedEarningsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYearitsi_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00falsefalsefalse2truefalsefalse726000726falsefalsefalsexbrli:monetaryItemTypemonetaryAmount included in cost and estimated earnings of uncompleted contracts in excess of related billings, or unbilled accounts receivable, which is expected to be collected within a year within one year (or one operating cycle, if longer) from the date of the balance sheet.No definition available.false2Costs and estimated earnings in excess of billings on uncompleted contracts7false 3us-gaap_BillingsInExcessOfCostCurrentus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse00falsefalsefalse2truefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryLiability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method that are expected to be realized within one year or one operating cycle, whichever is longer, from the reporting date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57807-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57788-111642 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57795-111642 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 45 -Paragraph 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 45 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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