Annual report pursuant to Section 13 and 15(d) 12-31-2014

Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details)

v2.4.1.9
Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
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