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Gain on Sale of Assets and Other Income (Expense)
12 Months Ended
Dec. 31, 2013
Other Income and Expenses [Abstract]  
Gain on Sale of Assets and Other Income (Expense)

14. Gain on Sale of Assets and Other Income (Expense)

The gain on sale of assets and other income (expense) for the years ended December 31 were as follows:
 
 
 
 
 
2013
 
2012
 
2011
Other income (expense)
 
$
2,531
 
 
$
117
 
 
$
191
 
Loss on disposition of assets
 
 
 
 
 
 
 
 
(75
  
 
$
2,531
 
 
$
117
 
 
$
116