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Earnings Per Common Share (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Reconciliation between basic and diluted earnings per common share
The following table provides reconciliation between basic and diluted earnings per common share:
 
For the three months ended
September 30,
 
For the nine months ended
September 30,
 
2012
 
2011
 
2012
 
2011
Net loss attributable to Golden Star shareholders
$
(30,207
)
 
$
(10,196
)
 
$
(18,610
)

$
(9,316
)
 
 
 
 
 
 



Weighted average number of shares (millions)
258.9

 
258.6

 
258.8


258.6

Dilutive securities:
 
 
 
 
 


Options

 

 



Deferred stock units

 

 

 

Convertible debentures

 

 



Weighted average number of diluted shares (millions)
258.9

 
258.6

 
258.8

 
258.6

 
 
 
 
 
 
 
 
Net loss per share attributable to Golden Star shareholders:
 
 
 
 
 
 
 
Basic
$
(0.12
)
 
$
(0.04
)
 
$
(0.07
)
 
$
(0.04
)
Diluted
$
(0.12
)
 
$
(0.04
)
 
$
(0.07
)
 
$
(0.04
)