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Note 9 - Retirement Plan | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Retirement Benefits [Text Block] | 9. Retirement Plan We participate in a multi-employer defined contribution retirement plan (the “401k Plan”) administered by a third -party service provider, and the Company contributes to the 401k Plan on behalf of its employees based upon a matching formula. During the years ended December 31, 2020 and 2019 our contributions to the 401k Plan were $27,511 and $25,876, respectively.

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