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Inventories
12 Months Ended
Dec. 31, 2014
Inventories [Abstract]  
Inventories
(4)Inventories

Inventories consist of: 
 
(in thousands)
 
December 31, 2014
  
December 31, 2013
 
Raw materials
 
$
203
  
$
249
 
Work-in-process
  
63
   
364
 
Finished goods
  
83
   
106
 
Total inventory
 
$
349
  
$
719