Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Expense (Details)

v2.4.0.6
Stock-Based Compensation Expense (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 1 Months Ended
Apr. 08, 2011
2011 Long-term Incentive Plan
Jun. 30, 2012
Stock Options
item
Jun. 30, 2011
Stock Options
Jun. 30, 2012
Stock Options
Minimum
Jun. 30, 2012
Stock Options
Maximum
May 31, 2011
Stock Options
Restricted Stock and Stock Option Plan
Jul. 28, 2010
Restricted Stock
Stock-Based Compensation Expense              
Number of stock option plans   2          
Maximum number of shares of the company's common stock that may be awarded 2,893,341           2,767,171
Options outstanding (in shares)   1,815,499          
Stock compensation expense   $ 58 $ 6,341        
Stock compensation expense associated with the acceleration of the pre-IPO options           $ 6,310  
Vesting period       5 years 10 years    
Expiration term   10 years