December 31,
    2016   2015
Equipment and software   $
27,456
     $
24,512
  
Furniture and fixtures    
1,126
      
1,240
  
Leasehold improvements    
27,796
      
27,622
  
Construction in progress    
22,695
      
11,274
  
  Subtotal    
79,073
      
64,648
  
Less accumulated depreciation    
(26,777
 )    
(24,540
 )
  Total   $
52,296
     $
40,108