Note 14 - Employee 401(k) Plan

12 Months Ended

Dec. 31, 2024

Notes to Financial Statements

Retirement Benefits [Text Block]

14.  EMPLOYEE 401(k) PLAN

The Company sponsors a 401(k) retirement savings plan for all employees in the U.S. who meet certain eligibility requirements. Participants may contribute up to the amount allowable as a deduction for federal income tax purposes. The Company was not required to contribute, and did not contribute, to the plan for the years ended December 31, 2024, 2023 and 2022.