Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Schedule of Basic and Diluted Net Income (Loss) Per Share) (Details)

v3.2.0.727
Net Income (Loss) Per Share (Schedule of Basic and Diluted Net Income (Loss) Per Share) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Numerator:        
Net income (loss) $ (5,645) $ 56,128 $ (9,760) $ (25,638)
Adjustment for change in fair value of warrant liability   (60,458)    
Diluted $ (5,645) $ (4,330) $ (9,760) $ (25,638)
Denominator: Weighted-average common shares outstanding used in computing basic and diluted net income (loss) per share        
Basic 102,094,158 78,497,558 101,944,359 72,688,073
Dilutive effect of warrants   9,593,643    
Dilutive effect of stock options   6,681,210    
Diluted 102,094,158 94,772,411 101,944,359 72,688,073
Net income (loss) per share, basic $ (0.06) $ 0.72 $ (0.10) $ (0.35)
Net loss per share, diluted $ (0.06) $ (0.05) $ (0.10) $ (0.35)