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Discontinued Operations (Schedule Of Assets And Liabilities Of Discontinued Operation) (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 27, 2014
Dec. 31, 2013
Dec. 31, 2012
Discontinued Operations [Abstract]      
Cash   $ 4us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents  
Accounts receivable, net 384us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet 350us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet 721us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
Inventory, net 128us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory 26us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory 186us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory
Other current assets   2us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets  
Current assets of discontinued operations   382us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent  
Property and equipment, net 127us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet 131us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNet  
Other assets 1us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets 1us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets  
Other assets of discontinued operations   132iin_DisposalGroupIncludingDiscontinuedOperationOtherAssetsOfDiscontinuedOperationsNoncurrent  
Accounts payable   70us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent  
Accrued compensation and other liabilities   84us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities  
Current liabilities of discontinued operations   $ 154us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent