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Employee Benefit Plan	12 Months Ended
Employee Benefit Plan	Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract]
Employee Benefit Plan	Employee Benefit Plan In 2000, the Company established a 401(k) plan under the provisions of which eligible employees may contribute an amount up to 50% of their compensation on a pre-tax basis, subject to IRS limitations. The Company matches employees’ contributions at the discretion of the Board. In 2012 and 2011, there were no discretionary contributions.