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Restructuring (Tables) (May 2012 Restructuring Plan [Member])
 3 Months Ended
Mar. 31, 2014
May 2012 Restructuring Plan [Member]
  
Schedule of Restructuring and Related Costs [Table Text Block]
The following table sets forth a summary of restructuring activities related to the Company’s May 2012 restructuring program (in thousands):
    
January 1, 2014
 
Costs Incurred
 
Cash Payments
 
March 31, 2014
Termination benefits
$
49

 
$
—

 
$
18

 
$
31