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Inventories
3 Months Ended
Mar. 31, 2014
Inventories [Abstract]  
Inventories
(2)Inventories

Inventories consist of the following:

(in thousands)
 
March 31,
2014
  
December 31,
2013
 
Raw materials
 
$
232
  
$
249
 
Work-in-process
  
268
   
364
 
Finished goods
  
119
   
106
 
Total inventory
 
$
619
  
$
719