XML 35 R75.htm IDEA: XBRL DOCUMENT v2.4.0.8
Selected Quarterly Financial Data (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 10 Months Ended 12 Months Ended 275 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 1994
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2007
Dec. 31, 2006
Dec. 31, 2005
Dec. 31, 2004
Dec. 31, 2003
Dec. 31, 2002
Dec. 31, 2001
Dec. 31, 2000
Dec. 31, 1999
Dec. 31, 1998
Dec. 31, 1997
Dec. 31, 1996
Dec. 31, 1995
Feb. 28, 1994
Feb. 28, 1993
Feb. 29, 1992
Dec. 31, 2013
Interim Reporting [Line Items]                                                                
Net loss $ (53,582) $ (50,818) $ (46,124) $ (40,965) $ (51,781) $ (42,834) $ (36,578) $ (38,173) $ (2,004) $ (191,490) $ (169,366) $ (160,804) $ (170,560) $ (220,104) $ (303,039) $ (293,190) $ (230,548) $ (114,338) $ (75,992) $ (65,879) $ (206,265) $ (48,245) $ (24,661) $ (5,679) $ (3,331) $ (2,280) $ (2,570) $ (2,815) $ (1,156) $ (1,175) $ (911) $ (2,296,402)
Net loss applicable to common stockholders $ (53,582) $ (50,818) $ (46,124) $ (40,965) $ (51,781) $ (42,834) $ (36,578) $ (38,173)   $ (191,490) $ (169,366) $ (160,804)                                       $ (2,319,614)
Net loss per share applicable to common stockholders - basic and diluted $ (0.16) $ (0.17) $ (0.16) $ (0.15) $ (0.23) $ (0.22) $ (0.23) $ (0.27)   $ (0.64) $ (0.94) $ (1.32)                                        
Weighted average common shares used to compute basic and diluted net loss per share applicable to common stockholders 337,284 296,386 284,044 280,058 229,234 190,534 159,859 143,154   299,591 180,855 121,817