Note 17 - Employee Retirement Plan

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Defined Contribution Plan [Text Block]

17. EMPLOYEE RETIREMENT PLAN

401(k) Plan

The Company provides a retirement plan, in accordance with Section 401(k) of the Internal Revenue Code, to all eligible employees. Employees may elect to contribute up to the Internal Revenue Service maximum annual contribution limit. The Company matches employee contributions up to a maximum of 4% per year. The Company recognized an expense of $135,000 and $147,000 for the years ended December 31, 2021 and 2020, respectively, related to matching contributions.