|12 Months Ended|
Dec. 31, 2017
|Defined Contribution Pension And Other Postretirement Plans Disclosure [Abstract]|
10. RETIREMENT PLAN
Employees of the Company qualifying under certain age and service requirements are eligible to be a participant in a 401(k) Plan. In 2015, the Company contributed to the Plan at the rate of 25% of the first 4% of gross wages that the employee contributes. Beginning on January 1, 2016, the Company contributes to the Plan at the rate of 33% of the first 5% of gross wages that the employee contributes. Total expense to the Company was approximately $703,000, $505,000, and $276,000 for the years ended December 31, 2017, 2016, and 2015, respectively.
The entire disclosure for pension and other postretirement benefits.
Reference 1: http://www.xbrl.org/2003/role/presentationRef