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Earnings Per Common Share
 12 Months Ended
Dec. 31, 2011
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
 
2011
 
2010
 
2009
Net income/(loss) attributable to Golden Star shareholders
$
(2,075
)
 
$
(11,229
)
 
$
(11,427
)
 
 
 
 
 
 
Weighted average number of shares (millions)
258.6

 
258.0

 
237.5

Dilutive securities:
 
 
 
 
 
Options
—

 
—

 
—

Convertible debentures
—

 
—

 
—

Weighted average number of diluted shares (millions)
258.6

 
258.0

 
237.5

 
 
 
 
 
 
Net income/(loss) per share attributable to Golden Star shareholders:
 
 
 
 
 
Basic
(0.008
)

(0.044
)

(0.048
)
Diluted
(0.008
)

(0.044
)

(0.048
)

As of December 31, 2011, 2010 and 2009, 0.6 million, 1.8 million and 1.2 million options were in the money, respectively, as compared to the weighted average stock price for the year. As of December 31, 2011 we also had 0.05 million deferred share units outstanding.