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Earnings Per Common Share
12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Earnings Per Common Share
EARNINGS PER COMMON SHARE
The following table provides reconciliation between basic and diluted earnings per common share:
 
For the years ended December 31,
 
2012
 
2011
 
2010
Net loss attributable to Golden Star shareholders
$
(9,490
)
 
$
(2,075
)
 
$
(11,229
)
 
 
 
 
 
 
Weighted average number of shares (millions)
258.9

 
258.6

 
258.0

Dilutive securities:
 
 
 
 
 
Options

 

 

Deferred stock units

 

 

Convertible debentures

 

 

Weighted average number of diluted shares (millions)
258.9

 
258.6

 
258.0

 
 
 
 
 
 
Net loss per share attributable to Golden Star shareholders:
 
 
 
 
 
Basic
$
(0.04
)
 
$
(0.01
)
 
$
(0.04
)
Diluted
$
(0.04
)
 
$
(0.01
)
 
$
(0.04
)

Options to purchase 12.3 million and 8.5 million common shares were outstanding at December 31, 2012, and 2011, respectively, but were not included in the computation of diluted weighted average common shares because their effect would not be dilutive. Deferred Stock Units totaling 0.4 million and zero common shares were outstanding at December 31, 2012 and 2011, respectively, but were not included in the computation of diluted weighted average common shares because their effect would not be dilutive. In addition, we had 47.0 million and 25.0 million common shares potentially outstanding at December 31, 2012 and 2011, respectively, related to the convertible debentures that were not dilutive.