Quarterly report pursuant to Section 13 or 15(d)

Stock Plans (Details 2)

v2.4.0.6
Stock Plans (Details 2) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Summary of option activity    
Outstanding options, beginning balance 6,842  
Granted, options 0  
Exercised, Options (75)  
Expired or Cancelled, options     
Forfeited, options     
Outstanding options, ending balance 6,767 6,842
Exercisable options 6,639  
Outstanding weighted average exercise price, beginning balance $ 1.33  
Granted, weighted average exercise price     
Exercised, weighted average exercise price $ 1.50  
Expired or Cancelled, weighted average exercise price     
Forfeited, weighted average exercise price     
Outstanding weighted average exercise price, ending balance $ 1.32 $ 1.33
Weighted average exercise price, exercisable $ 1.32  
Outstanding, weighted average remaining option term, beginning balance 6 years 5 months 19 days 6 years 7 months 24 days
Outstanding, weighted average remaining option term, ending balance 6 years 5 months 19 days 6 years 7 months 24 days
Exercisable, weighted average remaining option term 6 years 5 months 19 days  
Outstanding at, aggregate intrinsic value, beginning balance $ 722  
Outstanding at, aggregate intrinsic value, ending balance 3,386 722
Exercisable, aggregate intrinsic value $ 3,323