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Note H - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Apr. 30, 2022
Statement [Line Items]
Finance receivables	$ 47,486	$ 37,682
Property and equipment	3,262	1,368
Goodwill	281	194
Total	51,029	39,244
Deferred income tax assets related to:
Accrued liabilities	3,051	2,524
Inventory	204	316
Share based compensation	4,634	3,561
State net operating loss	164	168
Deferred revenue	3,661	2,226
Total	11,714	8,795
Deferred income tax liabilities, net	$ 39,315	$ 30,449

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