Employee benefit plan

12 Months Ended

Dec. 31, 2019

Employee benefit plan

Employee benefit plan

13.      Employee benefit plan

Effective December 31, 2015, the Company established a defined contribution 401(k) plan (the “401(k) Plan”) for the benefit of its employees. All of the employees of the Company are eligible to participate in the 401(k) Plan which permits employees to make voluntary contributions up to the dollar limit allowed under the Internal Revenue Code. The 401(k) Plan also provides for matching contributions as defined by the Company of up to a combined total of 4% of an employee’s eligible annual compensation. The Company has recorded matching contributions of $0.4 million and $0.3 million for the years ended December 31, 2019 and 2018, respectively.