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Business Reorganization (Tables)
 12 Months Ended
Dec. 31, 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
1,230

Payments
(1,122
)
December 31, 2014
$
108