401(k) Plan	12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]
401(k) Plan	401(k) Plan The Company has adopted a 401(k) Profit Sharing Plan covering substantially all of its employees. The defined contribution plan allows the employees to contribute a percentage of their compensation each year. The Company currently matches 50% of its employees’ contributions, up to 6% of their annual compensation. The Company’s contributions are recorded as expense in the accompanying consolidated statements of operations and totaled $822,000, $496,000 and $328,000 for the years ended December 31, 2017, 2016 and 2015, respectively.

401(k) Plan

12 Months Ended

Dec. 31, 2017

The Company has adopted a 401(k) Profit Sharing Plan covering substantially all of its employees. The defined contribution plan allows the employees to contribute a percentage of their compensation each year. The Company currently matches 50% of its employees’ contributions, up to 6% of their annual compensation. The Company’s contributions are recorded as expense in the accompanying consolidated statements of operations and totaled $822,000, $496,000 and $328,000 for the years ended December 31, 2017, 2016 and 2015, respectively.