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Note 12 - Income Taxes (Details) (USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Income Tax Disclosure [Abstract] | ||
| Effective Income Tax Rate Reconciliation, Percent | 34.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | |
| Deferred Tax Assets, Valuation Allowance | $ 7,896,000us-gaap_DeferredTaxAssetsValuationAllowance | $ 8,182,000us-gaap_DeferredTaxAssetsValuationAllowance |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 216,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 1,415,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance |
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 5,553,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic | |
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 50,224,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal | |
| Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 26,000us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued | |
| Accrued Income Taxes | $ 85,000us-gaap_AccruedIncomeTaxes | $ 183,000us-gaap_AccruedIncomeTaxes |
| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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