Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF COMPREHENSIVE LOSS

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CONDENSED STATEMENTS OF COMPREHENSIVE LOSS (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Net loss $ (25,456) $ (17,931) $ (73,368) $ (60,186)
Other comprehensive income:        
Unrealized gain (loss) on available-for- sale securities 69 (82) 100 16
Comprehensive loss $ (25,387) $ (18,013) $ (73,268) $ (60,170)