Note H - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 30, 2019
Deferred income tax liabilities related to:
Finance receivables	$ 19,342	$ 19,254
Property and equipment	69
Goodwill	90	76
Total	19,501	19,330
Deferred income tax assets related to:
Accrued liabilities	1,565	1,638
Inventory	107	127
Disallowed interest deduction	1,365
Share based compensation	2,490	2,186
Property and equipment		76
State net operating loss	42	29
Deferred revenue	953	1,015
Total	6,522	5,071
Deferred income tax liabilities, net	$ 12,979	$ 14,259