Employee Benefit Plan	12 Months Ended
Dec. 31, 2011
Employee Benefit Plan	(14) Employee Benefit Plan The Company maintains a 401(k) plan for its employees whereby eligible employees may contribute up to a specified percentage of their earnings, on a pretax basis, subject to the maximum amount permitted by the Internal Revenue Code. Under the 401(k) plan, the Company may make discretionary contributions. The Company made discretionary contributions to the plan of zero, $0.6 million, and zero in 2011, 2010, and 2009, respectively. The contribution from 2010 was a non-elective employer contribution made from the forfeiture account to all eligible participants.

Employee Benefit Plan

12 Months Ended

Dec. 31, 2011

(14) Employee Benefit Plan

The Company maintains a 401(k) plan for its employees whereby eligible employees may contribute up to a specified percentage of their earnings, on a pretax basis, subject to the maximum amount permitted by the Internal Revenue Code. Under the 401(k) plan, the Company may make discretionary contributions. The Company made discretionary contributions to the plan of zero, $0.6 million, and zero in 2011, 2010, and 2009, respectively. The contribution from 2010 was a non-elective employer contribution made from the forfeiture account to all eligible participants.