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401(k) Plan	12 Months Ended
401(k) Plan	Dec. 31, 2018
Retirement Benefits [Abstract]
401(k) Plan	401(k) Plan We have adopted a retirement plan under Section 401(k) of the Internal Revenue Code. The 401(k) plan covers substantially all employees who meet minimum age and service requirements. Company contributions to the 401(k) plan for the years ended December 31, 2018 and 2017 were $81,000 and $69,000, respectively.