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401(k) Plan	12 Months Ended
401(k) Plan	Dec. 31, 2012
401(k) Plan [Abstract]
401(k) Plan	(15) 401(k) Plan The Company has a 401(k) benefit plan (the "Plan") for all full-time employees who have completed six months of service. Employee contributions are limited by the maximum allowed under Section 401(k) of the Internal Revenue Code. The Company matches the employee contributions for non-highly compensated personnel, up to 50% of their contribution up to a specified maximum. Company contributions to the Plan were approximately $0.2 million, $0.3 million, and $0.3 million for the years ended December 31, 2012, 2011, and 2010, respectively.

Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details