Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans (Details 2)

v2.4.0.6
Benefit Plans (Details 2) (Employee Stock Option [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Employee Stock Option [Member]
  
Stock options activity under share based payment plans  
Outstanding Shares, Beginning (in shares) 439,580
Outstanding, Weighted Average Exercise Price, Beginning (in dollars per share) $ 1.25
Granted, Shares (in shares) 57,776
Granted, Weighted Average Exercise Price (in dollars per share) $ 2.52
Exercised, Shares (in shares) (144,310)
Exercised, Weighted Average Exercise Price (in dollars per share) $ 0.62
Forfeited, cancelled or expired, Shares (in shares) (8,217)
Forfeited, cancelled or expired, Weighted Average Exercise Price (in dollars per share) $ 3.26
Outstanding Shares, Ending (in shares) 344,829
Outstanding, Weighted Average Exercise Price, Ending (in dollars per share) $ 1.68
Exercisable Shares, Ending (in shares) 125,959
Exercisable, Weighted Average Exercise Price (in dollars per share) $ 2.08
Outstanding, Weighted Average Remaining Contractual Term, Ending (in years) 6 years 9 months 26 days
Exercisable, Weighted Average Remaining Contractual Term (in years) 5 years 3 months 29 days
Outstanding, Aggregate Intrinsic Value, Ending $ 384,883
Exercisable, Aggregate Intrinsic Value $ 134,226