Annual report [Section 13 and 15(d), not S-K Item 405]

Note 1 - Summary of Significant Accounting Policies - Weighted Average Common Shares Outstanding (Details)

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Note 1 - Summary of Significant Accounting Policies - Weighted Average Common Shares Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Net (loss) income $ (8,050) $ (12,453) $ 32,533
Net income (loss) from continuing operations $ 6,310 $ (8,514) $ 33,723
Weighted average common shares (in shares) 13,989,489 14,582,450 14,975,972
Dilutive potential common shares (in shares) 0 0 36,555
Weighted average dilutive common shares outstanding (in shares) 13,989,489 14,582,450 15,012,527
Continuing operations (in dollars per share) $ 0.45 $ (0.58) $ 2.25
Discontinued operations (in dollars per share) (1.03) (0.27) (0.08)
Basic (loss) earnings per share (in dollars per share) (0.58) (0.85) 2.17
Continuing operations (in dollars per share) 0.45 (0.58) 2.25
Discontinued operations (in dollars per share) (1.03) (0.27) (0.08)
Diluted (loss) earnings per share (in dollars per share) $ (0.58) $ (0.85) $ 2.17