CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
REVENUES:
Total revenues	$ 9,117,000	$ 9,391,000	$ 35,975,000	$ 35,404,000
COSTS AND EXPENSES:
Operations	1,573,000	1,540,000	3,898,000	3,983,000
Pension settlement	2,336,000		2,336,000
Total costs and expenses	9,592,000	8,233,000	29,411,000	28,091,000
Operating (loss) income	(475,000)	1,158,000	6,564,000	7,313,000
Interest income, net			6,000	1,000
Other income	1,803,000	0	1,803,000	260,000
Income before income taxes	1,328,000	1,158,000	8,373,000	7,574,000
(Benefit) provision for income taxes	(15,246,000)	248,000	(13,734,000)	1,701,000
Net income	$ 16,574,000	$ 910,000	$ 22,107,000	$ 5,873,000
Basic earnings per share	$ 3.14	$ 0.12	$ 4.19	$ 0.80
Diluted earnings per share	$ 3.12	$ 0.12	$ 4.17	$ 0.80
Weighted average number of common shares outstanding - basic	5,284	7,363	5,280	7,357
Weighted average number of common shares outstanding - diluted	5,310	7,385	5,304	7,380
Land sale
REVENUES:
Total revenues	$ 6,367,000	$ 5,879,000	$ 24,389,000	$ 21,535,000
COSTS AND EXPENSES:
Cost of revenues	3,636,000	4,070,000	15,415,000	15,104,000
Home sale
REVENUES:
Total revenues	2,639,000	3,376,000	10,984,000	6,606,000
COSTS AND EXPENSES:
Cost of revenues	2,047,000	2,623,000	7,762,000	5,167,000
Building sales and other
REVENUES:
Total revenues	$ 111,000	$ 136,000	$ 602,000	7,263,000
COSTS AND EXPENSES:
Cost of revenues				$ 3,837,000