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Note 9 - Shareholders' Equity - Activity in Share Repurchase Program (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Shares repurchased (in shares) | 0 |  |  | 19 |  |  | 197 | 483
Weighted average price per share (in dollars per share) | $ 0 |  |  | $ 1.05 |  |  | $ 1.61 | $ 1.09
Value of shares repurchased | $ 0 | $ 83 | $ 234 | $ 20 | $ 168 | $ 337 | $ 316 | $ 526

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