Annual report pursuant to Section 13 and 15(d)

Income/Loss Per Share (Details)

v2.4.0.6
Income/Loss Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Income/Loss Per Share                      
Net income (loss) $ (25,251) $ (14,257) $ (24,921) $ (17,753) $ (11,704) $ (27,771) $ 14,318 $ 31,849 $ (82,182) $ 6,692 $ 63,044
Weighted-average common shares outstanding:                      
Basic (in shares)                 44,897 43,285 29,847
Assumed conversion of employee stock options (in shares)                   281 312
Assumed conversion of Platinum Warrant (in shares)                   8,754 21,318
Weighted-average shares outstanding (diluted)                 44,897 52,320 51,477
Basic income (loss) per share (in dollars per share) $ (0.56) $ (0.32) $ (0.55) $ (0.40) $ (0.26) $ (0.62) $ 0.32 $ 0.81 $ (1.83) $ 0.15 $ 2.11
Diluted income (loss) per share (in dollars per share) $ (0.56) $ (0.32) $ (0.55) $ (0.40) $ (0.26) $ (0.62) $ 0.27 $ 0.61 $ (1.83) $ 0.13 $ 1.22