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Note 14 - Employee Benefit Plan | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Defined Contribution Plan [Text Block] |
14. | Employee benefit plan
The Company sponsors 401(k) defined contribution plans for its employees. These plans provide for pre-tax and post-tax contributions for all employees. Employee contributions are voluntary. Employees may contribute up to 100% of their annual compensation to these plans, as limited by an annual maximum amount as determined by the Internal Revenue Service. The Company matches employee contributions in amounts to be determined at the Company’s sole discretion. The Company made contributions of $822,000, $347,000, and $158,000 to the plans for the years ended December 31, 2021, 2020, and 2019.

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