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Gain on Sale of Assets and Other Income (Expense)
12 Months Ended
Dec. 31, 2012
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:
 
 
 
2012
 
 
2011
 
 
2010
 
Other income (expense)
 
$
117
 
 
$
191
 
 
$
364
 
Gain (loss) on disposition of assets
 
 
 
 
 
(75)
 
 
 
17
 
 
 
$
117
 
 
$
116
 
 
$
381