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Earnings (Loss) Per Share (Tables)
 12 Months Ended
Dec. 31, 2011
Earnings Per Share [Abstract]  
Schedule of earnings per share, basic and diluted
The following is a reconciliation of the calculation of basic and diluted loss per share (in thousands, except share and per-share data):
 
Years Ended December 31,
 
2011
 
2010
 
2009
Basic and Diluted (Loss) Earnings per Share Calculation:
 
 
 
 
 
Numerator:
 
 
 
 
 
Loss from continuing operations
$
(7,740
)
 
$
(10,859
)
 
$
(9,665
)
Income (loss) from discontinued operations
62

 
1,687

 
(1,425
)
Net loss
$
(7,678
)
 
$
(9,172
)
 
$
(11,090
)
Weighted-average number of common shares outstanding—basic and diluted
166,667,459

 
144,463,587

 
107,404,074

 
 
 
 
 
 
Basic and diluted (loss) earnings per share:
 
 
 
 
 
Continuing operations
$
(0.05
)
 
$
(0.07
)
 
$
(0.09
)
Discontinued operations
0.00

 
0.01

 
(0.01
)
Total
$
(0.05
)
 
$
(0.06
)
 
$
(0.10
)
Reconciliation of the calculation of basic and diluted earnings (loss) per share
We did not include the following shares in our calculation of diluted loss per share as they would be anti-dilutive:
 
Years Ended December 31,
 
2011
 
2010
 
2009
Unvested restricted common stock
513,657

 
1,034,235

 
690,761

Unexercised stock appreciation rights
—

 
—

 
—

Shares related to unvested MSUs
152,675

 
109,648

 
—

Total
666,332

 
1,143,883

 
690,761