Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Apr. 30, 2021	10,000,000		(436,830)
Balance at Apr. 30, 2021	$ 1,000	$ 991	$ (7,483)	$ 72,502	$ 3	$ 67,013
Net income				23,822		23,822
Change in unrealized gains on Fixed Income securities, net of taxes					(27)	$ (27)
Purchase of treasury stock (in shares)			(53,327)			(53,327)	[1]
Purchase of treasury stock			$ (2,484)			$ (2,484)	[1]
Dividends declared				(8,679)		(8,679)
Balance (in shares) at Apr. 30, 2022	10,000,000		(490,157)
Balance at Apr. 30, 2022	$ 1,000	991	$ (9,967)	87,645	(24)	79,645
Net income				18,069		18,069
Change in unrealized gains on Fixed Income securities, net of taxes					398	$ 398
Purchase of treasury stock (in shares)			(75,303)			(75,303)	[2]
Purchase of treasury stock			$ (4,704)			$ (4,704)	[2]
Dividends declared				(9,735)		(9,735)
Balance (in shares) at Apr. 30, 2023	10,000,000		(565,460)
Balance at Apr. 30, 2023	$ 1,000	991	$ (14,671)	95,979	374	83,673
Net income				19,016		19,016
Change in unrealized gains on Fixed Income securities, net of taxes					(627)	$ (627)
Purchase of treasury stock (in shares)			(12,057)			(12,057)	[2]
Purchase of treasury stock			$ (523)			$ (523)	[2]
Dividends declared				(10,746)		(10,746)
Balance (in shares) at Apr. 30, 2024	10,000,000		(577,517)
Balance at Apr. 30, 2024	$ 1,000	$ 991	$ (15,194)	$ 104,249	$ (253)	$ 90,793

[1] Were acquired during the $2 million repurchase program authorized in July 2021 and the $2 million repurchase program authorized in March 2022.

[2] Were acquired during the $3 million repurchase program authorized in May 2022 and the $3 million repurchase program authorized in October 2022.