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Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (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 loss carryforwards | $ 50,673us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | $ 42,661us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
| Depreciation | 60us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment | 17us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment |
| Research credits | 2,587us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch | 2,350us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch |
| Other | 6,057us-gaap_DeferredTaxAssetsOther | 2,823us-gaap_DeferredTaxAssetsOther |
| Total deferred tax assets | 59,377us-gaap_DeferredTaxAssetsGross | 47,851us-gaap_DeferredTaxAssetsGross |
| Deferred tax liabilities: | ||
| Amortization of intangible assets | (918)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets | (1,028)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets |
| Total deferred tax liabilities | (918)us-gaap_DeferredTaxLiabilities | (1,028)us-gaap_DeferredTaxLiabilities |
| Net deferred tax assets | 58,459us-gaap_DeferredTaxAssetsNet | 46,823us-gaap_DeferredTaxAssetsNet |
| Less valuation allowance | (58,593)us-gaap_DeferredTaxAssetsValuationAllowance | (46,957)us-gaap_DeferredTaxAssetsValuationAllowance |
| Net deferred tax assets (liabilities) | $ (134)us-gaap_DeferredTaxAssetsLiabilitiesNet | $ (134)us-gaap_DeferredTaxAssetsLiabilitiesNet |
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- Details
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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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- 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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- 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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- 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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- 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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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- 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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- 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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