Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Tax Assets and Liabilities (Details)

v2.4.1.9
Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Deferred tax assets:      
Intangible assets $ 11,031us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets $ 6,596us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets  
Allowances and reserves 2,843us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves 294us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves  
Accrued expenses 4,134us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities 2,505us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities  
Inventory 567us-gaap_DeferredTaxAssetsInventory 1,053us-gaap_DeferredTaxAssetsInventory  
Stock compensation 2,611us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 980us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost  
Tax credits 5,358us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 4,309us-gaap_DeferredTaxAssetsTaxCreditCarryforwards  
Net operating losses 55,944us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 39,282us-gaap_DeferredTaxAssetsOperatingLossCarryforwards  
Total gross deferred tax asset 82,488us-gaap_DeferredTaxAssetsGross 55,019us-gaap_DeferredTaxAssetsGross  
Less valuation allowance (73,659)us-gaap_DeferredTaxAssetsValuationAllowance (50,782)us-gaap_DeferredTaxAssetsValuationAllowance (39,122)us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred tax assets 8,829us-gaap_DeferredTaxAssetsNet 4,237us-gaap_DeferredTaxAssetsNet  
Deferred tax liabilities:      
Fixed assets (1,185)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment (1,385)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment  
Intangible assets (24,847)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets (25,422)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets  
Investments in affiliates (47)us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates (51)us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates  
Other (1,095)us-gaap_DeferredTaxLiabilitiesOther (25)us-gaap_DeferredTaxLiabilitiesOther  
Deferred tax liabilities (27,174)us-gaap_DeferredIncomeTaxLiabilities (26,883)us-gaap_DeferredIncomeTaxLiabilities  
Net deferred tax assets (liabilities) (18,345)us-gaap_DeferredTaxAssetsLiabilitiesNet (22,646)us-gaap_DeferredTaxAssetsLiabilitiesNet  
Deferred tax assets:      
Net current deferred assets 4,719us-gaap_DeferredTaxAssetsNetCurrent 3,252us-gaap_DeferredTaxAssetsNetCurrent  
Net noncurrent deferred assets 346us-gaap_DeferredTaxAssetsNetNoncurrent 480us-gaap_DeferredTaxAssetsNetNoncurrent  
Total deferred tax assets 5,065ent_DeferredTaxAssetsTotal 3,732ent_DeferredTaxAssetsTotal  
Deferred tax liabilities:      
Net current deferred tax liabilities (80)us-gaap_DeferredTaxLiabilitiesCurrent (1,192)us-gaap_DeferredTaxLiabilitiesCurrent  
Net noncurrent deferred tax liabilities (23,330)us-gaap_DeferredTaxLiabilitiesNoncurrent (25,186)us-gaap_DeferredTaxLiabilitiesNoncurrent  
Total deferred tax liabilities: $ (23,410)us-gaap_DeferredTaxLiabilities $ (26,378)us-gaap_DeferredTaxLiabilities