XML 16 R33.htm IDEA: XBRL DOCUMENT v2.4.1.9
Select Balance Sheet Details - Property and Equipment, Net (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross $ 91,376,000us-gaap_PropertyPlantAndEquipmentGross   $ 90,458,000us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization (65,463,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment   (64,418,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and Equipment, net 25,913,000us-gaap_PropertyPlantAndEquipmentNet   26,040,000us-gaap_PropertyPlantAndEquipmentNet
Depreciation 2,800,000us-gaap_Depreciation 3,300,000us-gaap_Depreciation  
Surgical instruments [Member]      
Property, Plant and Equipment [Line Items]      
Useful lives 4 years    
Property and Equipment, Gross 63,139,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
  62,872,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
Machinery and equipment [Member]      
Property, Plant and Equipment [Line Items]      
Useful lives 7 years    
Property and Equipment, Gross 15,510,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
  15,382,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
Capital Leased Assets, Gross 3,200,000us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
  3,200,000us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
Computer equipment [Member]      
Property, Plant and Equipment [Line Items]      
Useful lives 3 years    
Property and Equipment, Gross 3,252,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
  3,180,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
Office furniture and equipment [Member]      
Property, Plant and Equipment [Line Items]      
Useful lives 5 years    
Property and Equipment, Gross 3,750,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
  3,789,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
Leasehold improvements [Member]      
Property, Plant and Equipment [Line Items]      
Various Useful lives of property and equipments various    
Property and Equipment, Gross 3,859,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
  3,841,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
Building [Member]      
Property, Plant and Equipment [Line Items]      
Useful lives 39 years    
Property and Equipment, Gross 66,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
  65,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
Land [Member]      
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross 9,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
  9,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
Construction in progress [Member]      
Property, Plant and Equipment [Line Items]      
Property and Equipment, Gross 1,791,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
  1,320,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
Capital Leased Assets, Gross $ 600,000us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
  $ 600,000us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember