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Income Taxes Net deferred tax assets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets:    
Receivable allowance $ 34us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts $ 59us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Goodwill 347us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets 4,238us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
Restructuring accrual 45us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges 370us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges
Intangible assets 219us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets 845us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Compensation expense 690us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits 1,518us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Federal net operating loss carryforward 55,865us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 48,990us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
State net operating loss carryforward 6,502hh_DeferredTaxAssetsStateOperatingLossCarryforwards 5,756hh_DeferredTaxAssetsStateOperatingLossCarryforwards
Accrued expenses 17us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities 25us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Deferred rent 102hh_DeferredTaxAssetsDeferredRent 131hh_DeferredTaxAssetsDeferredRent
Other 18us-gaap_DeferredTaxAssetsOther 167us-gaap_DeferredTaxAssetsOther
Gross deferred tax assets 63,839us-gaap_DeferredTaxAssetsGross 62,099us-gaap_DeferredTaxAssetsGross
Valuation allowance (63,817)us-gaap_DeferredTaxAssetsValuationAllowance (61,500)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred tax assets, net of valuation allowance 22us-gaap_DeferredTaxAssetsNet 599us-gaap_DeferredTaxAssetsNet
Deferred Tax Liabilities, Net [Abstract]    
Impairment and accumulated depreciation (22)hh_DeferredTaxLiabilityImpairmentandAccumulatedDepreciation (599)hh_DeferredTaxLiabilityImpairmentandAccumulatedDepreciation
Gross deferred tax liabilities (22)us-gaap_DeferredIncomeTaxLiabilities (599)us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax assets $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet