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Property, Plant, and Equipment (Tables)
6 Months Ended
Jun. 30, 2014
Property, Plant, and Equipment [Abstract]  
Components of property, plant and equipment
Property, plant, and equipment consist of the following:

(in thousands)
 
June 30,
2014
  
December 31,
2013
 
Enterprise hardware and software
 
$
2,009
  
$
2,143
 
Leaseholds
  
1,667
   
1,749
 
Equipment
  
1,421
   
1,552
 
Furniture
  
957
   
957
 
Buildings and land
  
603
   
603
 
Property, plant and equipment, gross
  
6,657
   
7,004
 
Accumulated depreciation
  
(4,236
)
  
(3,935
)
Property, plant and equipment, net
 
$
2,421
  
$
3,069