Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Details 1)

v3.2.0.727
Net Loss Per Share (Details 1) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Weighted-average anti-dilutive common shares 8,287 10,595 9,137 11,044
Employee Stock Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Weighted-average anti-dilutive common shares 7,444 6,485 7,252 7,077
Warrants [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Weighted-average anti-dilutive common shares 843 4,110 1,885 3,967