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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS      
Net loss $ (139,881) $ (46,140) $ (66,065)
Other comprehensive income - unrealized gain on securities, net of taxes 8 21 7
Comprehensive loss $ (139,873) $ (46,119) $ (66,058)