Note 3 - Income Taxes - Provision for Income Taxes (Details) - USD ($)	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022
Federal	$ 1,275,000	$ 2,688,000
State	49,000	1,208,000
Current Income Tax Expense (Benefit)	1,324,000	3,896,000
Federal	3,940,000	(23,200,000)
State	1,386,000	(7,621,000)
Deferred Income Tax Expense (Benefit)	5,326,000	(30,821,000)
Income Tax Expense (Benefit)	$ 6,650,000	$ (26,925,000)

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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