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Income Taxes (Details) - Schedule of deferred tax assets and liabilities (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2027
Jan. 31, 2015
Feb. 01, 2014
DEFERRED TAX ASSETS      
Accrued expenses   $ 675us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities $ 846us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Inventory   287us-gaap_DeferredTaxAssetsInventory 345us-gaap_DeferredTaxAssetsInventory
Retirement and compensation related accruals   7,966us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions 7,323us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
Fixed assets   8,352us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment 9,103us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment
Federal and state net operating loss and credit carryforwards   75,964us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal 75,665us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
Real estate leases, including deferred rent   2,268us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent 2,492us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
Losses on investments   1,228us-gaap_DeferredTaxAssetsInvestments 1,234us-gaap_DeferredTaxAssetsInvestments
Goodwill   223us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets 522us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Other   982us-gaap_DeferredTaxAssetsOther 963us-gaap_DeferredTaxAssetsOther
Gross deferred tax assets before valuation allowance   97,945us-gaap_DeferredTaxAssetsGross 98,493us-gaap_DeferredTaxAssetsGross
Less: valuation allowance $ (97,900)us-gaap_DeferredTaxAssetsValuationAllowance $ (97,945)us-gaap_DeferredTaxAssetsValuationAllowance $ (98,493)us-gaap_DeferredTaxAssetsValuationAllowance