Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Components of Property and Equipment (Details)

v3.3.1.900
Property and Equipment - Components of Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]    
Property and equipment gross $ 19,048 $ 18,556
Less: accumulated depreciation and amortization (16,576) (15,041)
Property and equipment, net 2,472 3,515
Manufacturing And Lab Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 7,463 7,427
Surgical Instruments [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 8,672 8,217
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 1,439 1,439
Software And Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross 845 845
Furniture And Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment gross $ 629 $ 628