EMPLOYEE BENEFIT PLAN

12 Months Ended

Dec. 31, 2011

EMPLOYEE BENEFIT PLAN

EMPLOYEE BENEFIT PLAN

(11) EMPLOYEE BENEFIT PLAN

        The Company maintains a qualified 401(k) retirement savings plan (the "401(k) Plan") covering all employees. Under the terms of the 401(k) Plan, participants may elect to defer a portion of their compensation into the 401(k) Plan, subject to certain limitations. Company matching contributions may be made at the discretion of the board of directors.

        The Company's board of directors approved 401(k) Plan matching contributions for 2011, 2010 and 2009 in the form of Company common stock equal to 100% up to 6% of the participant's salary for that year. The Company recorded compensation expense of approximately $0.3 million, $0.2 million, and $0.1 million, respectively, in the statements of operations for the years ended December 31, 2011, 2010 and 2009 in connection with 401(k) Plan matching contributions.