Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies (Details)

v2.4.0.8
Organization and Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 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, 2013
Dec. 31, 2012
Dec. 31, 2011
Numerator:                      
Net income (loss) used for basic earnings per share                 $ 9,711 $ (15,180) $ (15,203)
Less change in fair value of warrant liability                 1,737 0 1,862
Net (loss) income used for diluted earnings per share                 $ 7,974 $ (15,180) $ (17,065)
Denominator:                      
Basic weighted-average outstanding common shares                 82,099 66,509 59,324
Effect of dilutive potential common shares resulting from options                 493 0 906
Effect of dilutive potential common shares resulting from warrants                 67 0 162
Weighted-average shares outstanding—diluted                 82,659 66,509 60,392
Net income (loss) per common share:                      
Basic (in dollars per share) $ 0.00 $ (0.01) $ 0.06 $ 0.08 $ 0.00 $ (0.12) $ (0.03) $ (0.09) $ 0.12 $ (0.23) $ (0.26)
Diluted (in dollars per share) $ 0.00 $ (0.01) $ 0.00 $ 0.07 $ 0.00 $ (0.12) $ (0.06) $ (0.09) $ 0.10 $ (0.23) $ (0.28)