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Employee Retirement Plan	12 Months Ended
Employee Retirement Plan	Dec. 31, 2016
Employee Retirement Plan [Abstract]
Employee Retirement Plan	13. Employee Retirement Plan The Company sponsors an employee retirement plan under Section 401(k) of the Internal Revenue Code of 1986, as amended. All of the Company’s employees who meet minimum eligibility requirements are eligible to participate in the plan. Matching contributions to the 401(k) plan are made for certain eligible employees to meet non-discrimination provisions of the plan. The Company did not make any matching contribution to the 401(k) plan for the years ended December 31, 2016 and 2015.