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Employee Benefit Plans | 12 Months Ended
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Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract] |
Employee Benefit Plans | Employee Benefit Plans We maintain a retirement and profit sharing plan under Section 401(k) of the Internal Revenue Code for all of our domestic employees that meet certain qualifications. Participants in the plan may elect to contribute up to the maximum allowed by law. We match 50% of the participants’ contributions up to 15% of their gross salary in the form of newly issued shares of our common stock. We may also make other discretionary contributions to the plan. We recorded $0.9 million, $0.9 million and $0.8 million of expense for company contributions for the years ended December 31, 2016, 2015, and 2014, respectively.

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