Equipment
 12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Equipment

C. Equipment

 

     December 31,  

Equipment consists of (in thousands):

      2016        2015  
  

 

 

     

 

 

  

Laboratory equipment

    $ 6,196      $ 6,232  

Office equipment and leasehold improvements

      3,040        2,691  

Process development equipment not yet in service

      965        —    
  

 

 

     

 

 

  
     10,201        8,923  

Accumulated depreciation

      (7,596 )       (7,788 ) 
  

 

 

     

 

 

  
   $ 2,605      $ 1,135  
  

 

 

     

 

 

  

In 2016 and 2015, we disposed of approximately $0.6 million and $0.2 million, respectively, of obsolete laboratory equipment, office equipment and leasehold improvements, all of which were fully depreciated.