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Property and Equipment, net
 12 Months Ended
Dec. 31, 2016
Property and Equipment, net
4.   Property and Equipment, net

Property and equipment, net, consists of the following:

 

     December 31,  
(in thousands)    2016      2015  

Office and computer equipment

    $ 1,162       $ 1,105   

Software

      907         886   

Leasehold improvements

      1,158         990   

Manufacturing equipment

      878         572   
  

 

 

     

 

 

  
     4,105         3,553   

Less: accumulated depreciation

      (3,262 )       (2,972 ) 
  

 

 

     

 

 

  

Property and equipment, net

    $ 843       $ 581   
  

 

 

     

 

 

  

Depreciation and amortization charged to the Statement of Operations for the years ended December 31, 2016, 2015, and 2014 was $290 thousand, $358 thousand and $462 thousand, respectively.