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Employee Benefit Plan
12 Months Ended
Dec. 31, 2018
Employee Benefit Plan  
Employee Benefit Plan

11. Employee Benefit Plan

In October 2007, the Company established a 401(k) Retirement Savings Plan. Employees are eligible to participate in the plan as soon as they join the Company if they are at least 21 years of age and work a minimum of 1,000 hours per year. The Company matches $0.75 for every dollar of the first 6% of payroll that employees invest, up to the legal limit. Employer contributions vest immediately. For the years ended December 31, 2018 and 2017, the Company contributed $224,000 and $124,000, respectively.