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Note 9 - Defined Contribution Plans	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Compensation and Employee Benefit Plans [Text Block]	9. DEFINED CONTRIBUTION PLANS We maintain a 401(k) defined contribution plan covering all U.S. employees. Our matching contributions, net of forfeitures, under the plan, which are optional and based on the level of individual participant’s contributions, amounted to $79,000 and $67,000 in 2023 and 2022, respectively.

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- Definition

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

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-Name Accounting Standards Codification
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