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Employee Benefit Plans
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12 Months Ended |
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Dec. 31, 2011
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| Employee Benefit Plans [Abstract] | |
| Employee Benefit Plans | 10. Employee Benefit Plans The Company also maintains a tax-qualified employee savings and retirement plan (the” 401(k) plan”) for eligible employees. Participating employees may defer up to the lesser of 25% of W-2 compensation or the maximum amount permitted by the Internal Revenue Code, as amended. The 401(k) plan permits the Company to make matching contributions on behalf of all participants who have elected to make deferrals. To date, the Company has not made any contributions to the plan. |