Note 11 - Profit-sharing Plan	12 Months Ended
Dec. 31, 2024
Notes to Financial Statements
Compensation and Employee Benefit Plans [Text Block]	11. Profit-Sharing Plan The Company offers a 401(k) profit-sharing plan (the “401(k) Plan”) covering eligible U.S. employees to make tax-deferred contributions, a portion of which are matched by the Company. The Company may also make discretionary profit sharing contributions to the 401(k) Plan in an amount determined by its board of directors. The Company’s contributions vest ratably over six years of employment and amounted to approximately $0.8 million, $0.8 million, and $0.6 million for 2024, 2023, and 2022, respectively.

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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