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Note 6 - Deferred Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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|---|---|---|
| Deferred tax assets: | ||
| Net operating losses | $ 10,083us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | $ 13,115us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
| Accrued expenses | 837us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 268us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities |
| Tax credits | 519us-gaap_DeferredTaxAssetsTaxCreditCarryforwards | 512us-gaap_DeferredTaxAssetsTaxCreditCarryforwards |
| Impairment of long-lived assets | 69us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses | 88us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses |
| Other | 1us-gaap_DeferredTaxAssetsOther | |
| Total deferred tax assets | 11,508us-gaap_DeferredTaxAssetsGross | 13,984us-gaap_DeferredTaxAssetsGross |
| Valuation allowance | (11,440)us-gaap_DeferredTaxAssetsValuationAllowance | (13,927)us-gaap_DeferredTaxAssetsValuationAllowance |
| 68us-gaap_DeferredTaxAssetsNet | 57us-gaap_DeferredTaxAssetsNet | |
| Deferred tax liabilities: | ||
| Intangible assets | (43)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets | |
| Accrued expenses | (64)us-gaap_DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals | (107)us-gaap_DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals |
| Prepaids | (32)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses | (11)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses |
| Other | (37)us-gaap_DeferredTaxLiabilitiesOther | (4)us-gaap_DeferredTaxLiabilitiesOther |
| Total deferred tax liabilities | (133)us-gaap_DeferredTaxLiabilities | (165)us-gaap_DeferredTaxLiabilities |
| Net deferred tax liability | $ (65)us-gaap_DeferredTaxAssetsLiabilitiesNet | $ (108)us-gaap_DeferredTaxAssetsLiabilitiesNet |
| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. 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 after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and 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 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 temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance. 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 temporary differences from accrued liabilities. 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 temporary differences from estimated impairment losses. 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
Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances. 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 deferred tax liability attributable to taxable temporary differences from reserves and accruals. No definition available.
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| X | ||||||||||
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. No definition available.
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