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Business Reorganization (Tables)
 6 Months Ended
Jun. 30, 2014
Restructuring and Related Activities [Abstract]  
Schedule of change in the liability for the 2014 employee termination action
The following table sets forth the change in the liability for the 2014 employee severance actions:
 
 
January 1, 2014
$
—

Employee severance costs
1,166

Payments
(681
)
June 30, 2014
$
485