Retirement Plan	12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]
Retirement Plan	Retirement Plan: The Company adopted a 401(k) profit sharing plan effective January 2005. The plan covers eligible employees as of their hire date. The 401(k) component of the plan allows employees to elect to defer from 1% to 100% of their eligible compensation up to the federal limit per year. Company-matching and profit-sharing contributions are discretionary and are determined annually by Company management and approved by the board of directors. No matching or profit-sharing contributions were declared for the years ended December 31, 2015, 2016, or 2017.

Retirement Plan

12 Months Ended

Dec. 31, 2017

Retirement Plan:

The Company adopted a 401(k) profit sharing plan effective January 2005. The plan covers eligible employees as of their hire date. The 401(k) component of the plan allows employees to elect to defer from 1% to 100% of their eligible compensation up to the federal limit per year. Company-matching and profit-sharing contributions are discretionary and are determined annually by Company management and approved by the board of directors. No matching or profit-sharing contributions were declared for the years ended December 31, 2015, 2016, or 2017.