Quarterly report [Sections 13 or 15(d)]

Note 11 - Stock Based Compensation - Stock Option Activity (Details)

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Note 11 - Stock Based Compensation - Stock Option Activity (Details) - The 2023 Equity Plan [Member] - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Outstanding, options (in shares) 467,500 500,500  
Outstanding, weighted average exercise price (in dollars per share) $ 9.61 $ 9.59  
Granted, options (in shares) 0 0  
Granted, weighted average exercise price (in dollars per share) $ 0 $ 0  
Exercised, options (in shares) 0 0  
Exercised, weighted average exercise price (in dollars per share) $ 0 $ 0  
Forfeited, options (in shares) 0 (8,000)  
Forfeited, weighted average exercise price (in dollars per share) $ 0 $ 9.36  
Outstanding, options (in shares) 467,500 492,500  
Outstanding, weighted average exercise price (in dollars per share) $ 9.61 $ 9.59  
Outstanding, aggregate intrinsic value [1] $ 958 $ 837  
Exercisable, options (in shares) 175,400   106,900
Exercisable, weighted average exercise price (in dollars per share) $ 9.49   $ 9.36
Exercisable, aggregate intrinsic value [1],[2] $ 381   $ 206
[1] Dollars in thousands. The aggregate intrinsic value of outstanding and exercisable options at March 31, 2026 and 2025 were calculated based on the closing market price of the Company's common stock of March 31, 2026 and 2025 of $11.66 and $11.29, respectively, per share less the exercise price.
[2] Dollars in thousands. The aggregate intrinsic value of outstanding and exercisable options at September 30, 2023 and 2024 were calculated based on the closing market price of the Company's common stock of September 30, 2023 and 2024 of $10.35 and $9.05, respectively, per share less the exercise price.