Annual report pursuant to Section 13 and 15(d)

Acquisition Acquisition (Details)

v2.4.1.9
Acquisition Acquisition (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Apr. 02, 2012
Business Combinations [Abstract]          
Purchase price, cash paid   $ 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired $ 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired $ 22,875,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired  
Contingent consideration         6,500,000us-gaap_BusinessCombinationContingentConsiderationLiability
Inventory and other assets         8,600,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
Liabilities assumed         2,600,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
Identifiable intangible assets excluding goodwill         13,500,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Goodwill         9,900,000us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
Fair value adjustment to contingent consideration obligation   1,000,000us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings 3,600,000us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings    
Goodwill and Intangible Asset Impairment $ 3,000,000us-gaap_GoodwillAndIntangibleAssetImpairment