|
Property and Equipment - Components of Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Property Plant And Equipment [Line Items] | ||
| Property and equipment gross | $ 18,556us-gaap_PropertyPlantAndEquipmentGross | $ 17,751us-gaap_PropertyPlantAndEquipmentGross |
| Less: accumulated depreciation and amortization | (15,041)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | (14,220)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment |
| Property and equipment, net | 3,515us-gaap_PropertyPlantAndEquipmentNet | 3,531us-gaap_PropertyPlantAndEquipmentNet |
| Manufacturing and lab equipment | ||
| Property Plant And Equipment [Line Items] | ||
| Property and equipment gross |
7,427us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_MachineryAndEquipmentMember |
7,163us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_MachineryAndEquipmentMember |
| Surgical instruments | ||
| Property Plant And Equipment [Line Items] | ||
| Property and equipment gross |
8,217us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = amda_SurgicalInstrumentsMember |
7,721us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = amda_SurgicalInstrumentsMember |
| Leasehold improvements | ||
| Property Plant And Equipment [Line Items] | ||
| Property and equipment gross |
1,439us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LeaseholdImprovementsMember |
1,439us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LeaseholdImprovementsMember |
| Software and computer equipment | ||
| Property Plant And Equipment [Line Items] | ||
| Property and equipment gross |
845us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_ComputerEquipmentMember |
807us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_ComputerEquipmentMember |
| Furniture and equipment | ||
| Property Plant And Equipment [Line Items] | ||
| Property and equipment gross |
$ 628us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_FurnitureAndFixturesMember |
$ 621us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_FurnitureAndFixturesMember |
| X | ||||||||||
|
- Definition
Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|