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Note 9 - 401(k) Retirement Benefit Plan | 12 Months Ended
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Dec. 31, 2022
Notes to Financial Statements |
Retirement Benefits [Text Block] | Note 9 - 401(k) Retirement Benefit Plan We maintain a defined contribution 401(k) plan covering substantially all employees. Employees can contribute a portion of their salary or wages as prescribed under Section 401(k) of the Internal Revenue Code and, subject to certain limitations, we may, at the discretion of our Board of Directors, authorize an employer contribution based on a portion of the employees' contributions. For the years ended December 31, 2022 and 2021, the Company matched 100% on the first 3% and 50% on the next 2% contributed by the employee, or a maximum of 4% of the employee’s income. For 2022 and 2021, we contributed $600 and $586, respectively, to the 401(k) plan.

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