Note 7 - Federal, State and Local Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Federal	$ 4,702	$ 5,625	$ 5,407
State and local	984	1,280	1,046
Current tax expense	5,686	6,905	6,453
Federal	23	239	859
State and local	(3)	(328)	(316)
Deferred tax expense (benefit):	20	(89)	543
Income tax provision	$ 5,706	$ 6,816	$ 6,996

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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