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401(k) Plan	12 Months Ended
401(k) Plan	Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract]
401(k) Plan	401(k) Plan The Company sponsors a 401(k) defined contribution plan covering all employees. Employer contributions to the plan were $262,000 and $103,000 for the years ended December 31, 2016 and 2015, respectively. There were no employer contributions to the plan for the year ended December 31, 2014.