Quarterly report pursuant to Section 13 or 15(d)

Net loss per share (Details)

v2.4.0.6
Net loss per share (Details)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Antidilutive securities excluded from the computation of diluted net loss per share    
Antidilutive securities excluded from computation of earnings per share (in shares) 15,855 13,922
Outstanding options
   
Antidilutive securities excluded from the computation of diluted net loss per share    
Antidilutive securities excluded from computation of earnings per share (in shares) 15,614 13,688
Warrant
   
Antidilutive securities excluded from the computation of diluted net loss per share    
Antidilutive securities excluded from computation of earnings per share (in shares) 200 200
Purchase Plan
   
Antidilutive securities excluded from the computation of diluted net loss per share    
Antidilutive securities excluded from computation of earnings per share (in shares) 41 34