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INCOME TAXES (Deferred Tax Liabilities and Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Deferred Tax Liabilities [Abstract]      
Property and equipment $ (2,131)idsa_DeferredTaxLiabilitiesTaxDepreciationinExcessofBookFixedAssetsNet $ (2,735)idsa_DeferredTaxLiabilitiesTaxDepreciationinExcessofBookFixedAssetsNet  
Gross deferred tax liabilities (2,131)us-gaap_DeferredIncomeTaxLiabilities (2,735)us-gaap_DeferredIncomeTaxLiabilities  
Deferred tax assets      
Intangibles and goodwill 2,535idsa_DeferredTaxAssetBookAmortizationinExcessofTaxIntangiblesandGoodwill 2,919idsa_DeferredTaxAssetBookAmortizationinExcessofTaxIntangiblesandGoodwill  
Accrued property taxes 13us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment 10us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment  
Allowance for doubtful accounts 41us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts 43us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts  
Inventory capitalization 83us-gaap_DeferredTaxAssetsInventory 120us-gaap_DeferredTaxAssetsInventory  
Stock options 1,084us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 62us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost  
Federal net operating loss carry forward 3,920us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic 2,413us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic  
State net operating loss carry forward 1,659us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal 1,521us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal  
State recycling equipment tax credit carry forward 4,604us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther 4,617us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther  
Interest rate swap 4us-gaap_DeferredTaxAssetsHedgingTransactions 30us-gaap_DeferredTaxAssetsHedgingTransactions  
Accrued expenses 223us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves 0us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves  
Other 11us-gaap_DeferredTaxAssetsOther 11us-gaap_DeferredTaxAssetsOther  
Gross deferred tax assets 14,177us-gaap_DeferredTaxAssetsGross 11,746us-gaap_DeferredTaxAssetsGross  
Valuation allowance (11,949)us-gaap_DeferredTaxAssetsValuationAllowance (8,914)us-gaap_DeferredTaxAssetsValuationAllowance (4,162)us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred tax assets $ 97us-gaap_DeferredTaxAssetsLiabilitiesNet $ 97us-gaap_DeferredTaxAssetsLiabilitiesNet