XML 26 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Share-based compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Share-based compensation        
Share-based compensation expense $ 1,305 $ 2,372 $ 2,378 $ 3,768
Common stock issued under Employee Stock Purchase Plan (in shares) 218,324 218,831 481,037 515,318
Cost of sales
       
Share-based compensation        
Share-based compensation expense 106 35 283 72
Sales and marketing
       
Share-based compensation        
Share-based compensation expense 397 511 842 1,110
General and administrative
       
Share-based compensation        
Share-based compensation expense 772 1,777 1,542 2,489
Research and development
       
Share-based compensation        
Share-based compensation expense $ 30 $ 49 $ 71 $ 97