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Assets Held for Sale (Tables)
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Disclosure of Long Lived Assets Held-for-sale
Total assets reclassified as Assets Held for Sale at December 31, 2013 along with the related expense to reduce carrying value to fair value were (in thousands):
Held for Sale Assets
 
Net Carrying Value
 
Impairment Charge
 
Adjusted Carrying Value
Excess research & development equipment
 
$
3,750

 
$
1,571

 
$
2,179