Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Net Income (Loss) Per Share - Weighted Average Common Shares Outstanding (Details)

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Note 2 - Net Income (Loss) Per Share - Weighted Average Common Shares Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Net income $ (5,911) $ 10,364 $ (11,179) $ 24,619
Weighted average common shares (in shares) 14,629,489 15,233,848 14,922,811 14,693,829
Dilutive potential common shares (in shares) 0 26,921 0 73,109
Weighted average dilutive common shares outstanding (in shares) 14,629,489 15,260,769 14,922,811 14,766,938
Basic (in dollars per share) $ (0.4) $ 0.67 $ (0.75) $ 1.68
Diluted (in dollars per share) $ (0.4) $ 0.67 $ (0.75) $ 1.67