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Property and Equipment
 12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Property and Equipment

5.    Property and Equipment

Property and equipment consists of the following:

 

          December 31,  
     Estimated
Useful Life
(Years)		    2015
Cost		      2014
Cost		  

Machinery and equipment

    3-10    $ 7,175       $ 6,080   

Furniture and fixtures

    3-5      1,030         1,019   

Computer equipment and software

    3-5      625         188   

Buildings

    Up to 39      8,771         9,062   

Land

    Indefinite      562         590   

Construction in-process

         9         107   
     

 

 

     

 

 

  
        18,172         17,046   

Less: Accumulated depreciation

         (5,322 )       (4,005 ) 
     

 

 

     

 

 

  

Total

       $ 12,850       $ 13,041   
     

 

 

     

 

 

  

Depreciation expense for the years ended December 31, 2015, 2014, and 2013 was $1.5 million, $1.4 million and $0.7 million, respectively.

The net book value of property and equipment subject to lien is $7.1 million and $7.2 million as of December 31, 2015 and 2014, respectively.