Note C - Finance Receivables, Net - Financing Receivables Analysis (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Average total collected per active customer per month	$ 515	$ 486
Principal collected as a percent of average finance receivables	17.40%	21.90%
Average down-payment percentage	5.20%	6.40%
Average originating contract term (in months) (Month)	42 months 15 days	39 months 21 days
Portfolio weighted average contract term, including modifications (in months) (Month)	44 months 24 days	40 months