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Employee Retirement Plan	12 Months Ended
Employee Retirement Plan	Dec. 31, 2014
Compensation And Retirement Disclosure [Abstract]
Employee Retirement Plan	17. Employee Retirement Plan We maintain a 401(k) plan covering defined employees who meet established eligibility requirements. Under the provisions of the plan, we may contribute a discretionary match. The plan may also contribute a non-elective contribution. Company contributions matched 40% of employee deferrals in 2012 through August 2013, when the employer match was temporarily suspended. Matching resumed at a 25% rate in July 2014. Company contributions were $71, $1,868, and $2,853 for the years ended December 31, 2014, 2013, and 2012, respectively.