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 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Net loss $ (24,738) $ (21,474) $ (47,912) $ (42,255)
Other comprehensive income:        
Unrealized gain on available-for-sale securities 12 25 31 98
Comprehensive loss $ (24,726) $ (21,449) $ (47,881) $ (42,157)