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Note 14 - 401(k) Retirement Plan | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Retirement Benefits [Text Block] | Note 14—401(k) Retirement Plan Our 401(k) retirement plan provides for an annual company discretionary match on employee contributions. For the years-ended December 31, 2023, 2022 and 2021, Omeros' 401(k) match expense was $0.6 million, $0.6 million and $0.8 million, respectively. We match up to 4.0% of each participating employee’s eligible earnings, with a maximum company match of $4,000 per employee per year. All employees are eligible to participate.

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