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Property and Equipment, net
 12 Months Ended
Dec. 31, 2015
Property and Equipment, net

Note 6. Property and Equipment, net

Property and equipment, net at December 31, 2015 and 2014, consisted of the following (in thousands):

 

     December 31,  
     2015      2014  

Leasehold improvements

    $ 5,678       $ 5,638   

Machinery and equipment

      1,603         1,351   

Demonstration equipment

      145         123   

Furniture and fixtures

      794         783   

Computer equipment

      591         663   

Computer software

      2,935         2,913   

Consigned equipment

      1,010         980   

Construction-in-progress

      219         150   
  

 

 

     

 

 

  

Total property and equipment, gross

      12,975         12,601   

Accumulated depreciation and amortization

      (9,426 )       (8,820 ) 
  

 

 

     

 

 

  

Total property and equipment, net

    $ 3,549       $ 3,781   
  

 

 

     

 

 

  

Depreciation and amortization expense related to property and equipment, net was $1.1 million, $0.7 million and $0.4 million for the years ended December 31, 2015, 2014 and 2013, respectively.