Note 6 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 11, 2025 |
Oct. 10, 2023 |
|
| Stock Repurchased and Retired During Period, Value | $ 335 | $ 7,777 | $ 2,529 | $ 7,777 | ||
| Share Repurchase Program Authorized October 10, 2023 [Member] | ||||||
| Share Repurchase Program, Authorized, Amount | $ 30,000 | |||||
| Share Repurchase Program Authorized December 11, 2025 [Member] | ||||||
| Share Repurchase Program, Authorized, Amount | $ 10,000 | |||||
| Share Repurchase Program [Member] | ||||||
| Stock Repurchased and Retired During Period, Shares (in shares) | 2,000 | 192,000 | 35,000 | 192,000 | ||
| Stock Repurchased and Retired During Period, Value | $ 300 | $ 7,800 | $ 2,500 | $ 7,800 | ||
| Share Repurchase Program, Remaining Authorized, Amount | $ 13,900 | $ 13,900 | ||||
| X | ||||||||||
- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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