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Comprehensive Income (Loss)
9 Months Ended
Sep. 30, 2011
Comprehensive Income [Abstract] 
Comprehensive Income (Loss) Note [Text Block]
Comprehensive Income (Loss)

Comprehensive income (loss) reflects the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. Our comprehensive net income (loss) represents net income or loss adjusted for unrealized gains or losses on available for sale securities. Comprehensive income (loss) is as follows:

 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2011
 
2010
 
2011
 
2010
Net income (loss)
$
1,409

 
$
(7,239
)
 
$
5,626

 
$
(19,380
)
Unrealized loss on marketable securities, net effect of income taxes

 
(225
)
 

 
(126
)
Comprehensive income (loss)
$
1,409

 
$
(7,464
)
 
$
5,626

 
$
(19,506
)