Note 15 - Segment Information (Details Textual) $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Revenues	$ 295,075	$ 317,209	$ 311,109
Number of Reportable Segments	1
Related Party [Member] \| Consolidation, Eliminations [Member]
Revenues	$ 1,100	$ 1,100	$ 1,300

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details