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Gain On Sale Of Assets (Tables)
12 Months Ended
Dec. 31, 2012
Discontinued Operations and Disposal Groups [Abstract]  
Components of Gain on Sale of Assets
The gain on sale assets includes the following components:
 
For the years ended December 31,
 
2012
 
2011
 
2010
Gain on sale of Burkina Faso exploration properties
$
22,361

 
$

 
$

Gain on sale of Saramacca
9,175

 

 

Gain on sale of other assets
41

 
1,350

 
1,171

Gain on sale of assets
$
31,577

 
$
1,350

 
$
1,171